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Prepare AD sync tools for migration to Microsoft 365 (Office 365) via CodeTwo software »
[...] a Microsoft 365 mailbox only with Microsoft migration tools, which excludes any possibility of using third-party migration tools like CodeTwo Office 365 Migration . Solution: To be able to use any third-party migration tool (including CodeTwo Office 365 Migration ) to migrate mailboxes within an Exchange hybrid deployment, [...] (ID:509)
How to resolve an internal server error in CodeTwo Backup and CodeTwo Office 365 Migration »
[...] You are unable to restore or migrate data to the selected Microsoft 365 (Office 365 ) mailbox. You get the following error: An internal server error occurred. The operation failed. or Unable to upload item - [Item ID]. Error: An internal server error occurred. The operation failed. Solution: This error may occur if the mailbox [...] (ID:887)
How to make sure CodeTwo migration software supports TLS 1.2 »
[...] version you're using (displayed on the program's title bar) with the version on the software's download page (CodeTwo Exchange Migration | CodeTwo Office 365 Migration ). If you're not using the latest version, you need to update the software. For guidelines, see How to update CodeTwo migration software. This is the recommended [...] (ID:763)
How to make sure older versions of CodeTwo migration software support TLS 1.2 »
[...] article relates only to older versions (2.x) of CodeTwo migration software. If you're using version 3.x of CodeTwo Exchange Migration / Office 365 Migration , see this article. Problem: Starting 31 October 2018, Microsoft makes TLS 1.2 the default security protocol in Office 365 . TLS 1.0 and 1.1 still work, but Microsoft does [...] (ID:766)
Migration of Exchange archive mailboxes larger than 100 GB »
[...] mailboxes Which version of CodeTwo migration software supports archive mailboxes? To migrate archive mailboxes, you need to use CodeTwo Office 365 Migration or CodeTwo Exchange Migration version 3.2.10.x or newer. You can download the latest version of the software here: CodeTwo Office 365 Migration CodeTwo Exchange Migration [...] (ID:1028)
How to generate a CSV file for CodeTwo migration tools with PowerShell »
[...] contain such headings. To learn more about using a CSV file for migration , watch our video guide or read the appropriate sections in the CodeTwo Office 365 Migration user’s manual or the CodeTwo Exchange Migration user’s manual. PowerShell scripts for generating a CSV file for migration PowerShell scripts are available [...] (ID:906)
Troubleshooting CodeTwo migration software »
[...] first thing for you to do when troubleshooting the CodeTwo Exchange Migration and CodeTwo Office 365 Migration software is to make sure that the program was installed and configured properly and your environment is prepared for migrations : You meet the system requirements displayed on the download website (CodeTwo Exchange [...] (ID:286)
How to fix problems with the migration of public folders (quota exceeded) »
[...] process. After the auto-split operation is properly completed, use the Run delta migration button in the Administration Panel of CodeTwo Office 365 Migration to migrate items that were not migrated previously. Info It is possible that when the size of a public folder mailbox is close to the limit, Microsoft may increase the [...] (ID:483)
Does CodeTwo migration software support delta pass migrations? »
[...] Does CodeTwo Exchange Migration or CodeTwo Office 365 Migration support "delta pass" migrations ? Solution: Our migration software has a built-in feature that checks if an already migrated mailbox received any new items. Simply click the Run delta migration button and the program will check if there are any new items in the [...] (ID:333)
Diagnosing CodeTwo migration software »
[...] CodeTwo assistance is required when you experience problems with CodeTwo Exchange Migration / CodeTwo Office 365 Migration or require advanced configuration of the software. You need to provide a description of your environment and/or send certain diagnostic files to CodeTwo. Solution: Please follow the steps below to provide [...] (ID:307)
Troubleshooting migration problems caused by conflict with Outlook »
[...] folder. The default installation directories are: for CodeTwo Exchange Migration : %ProgramFiles(x86)%\CodeTwo\Exchange Migration for CodeTwo Office 365 Migration : %ProgramFiles(x86)%\CodeTwo\Office 365 Migration To be able to use the retained cache and job settings, you need to install the same version of CodeTwo [...] (ID:994)
How to set up DNS records properly for a migration »
[...] records (for the target domain). Sometimes, source server local DNS may require adding A and SRV records for the target domain. Also Migration to Office 365 requires only proper Autodiscover and msoid records. MX records are not used by CodeTwo software at any point. Proper public DNS records for both source and target [...] (ID:524)
How to migrate public folders from MDaemon Email Server with CodeTwo migration tools »
[...] Migrate all the user mailboxes with CodeTwo migration software. For details, refer to the user manual of CodeTwo Exchange Migration or CodeTwo Office 365 Migration . Only when the migration of mailboxes is complete, you can begin migrating MDaemon's public folders. Start by creating a new user account in MDaemon Email Server [...] (ID:727)
How to troubleshoot being unable to match mailboxes for migration »
[...] You are unable to perform mailboxes matching when configuring a migration job in CodeTwo Office 365 Migration . You get the following error message: The type initializer for 'Microsoft.Online.Administration.Automation.ConnectMsolervice' threw an exception. Solution: This issue occurs because the Microsoft Online Services [...] (ID:832)
How to fix problems with corrupted data after migration »
[...] After your migration job is finished, you notice that certain mailboxes haven’t been 100% successfully migrated. When you open a report for an affected mailbox in your CodeTwo software, you can see the following (or similar) message in the Reason column: Error: Data is corrupt., ErrorCode: RpcFormat, LID: 55730 - End of [...] (ID:1015)
How to exclude a public folder from migration »
[...] You would like to exclude a specific public folder from migration when using CodeTwo Exchange Migration or CodeTwo Office 365 Migration . Solution: Unfortunately, there is no such option in CodeTwo migration software that would allow you to select which public folders should or should not be migrated. However, by modifying [...] (ID:544)
Free/Busy status migration »
[...] Does CodeTwo Exchange Migration or CodeTwo Office 365 Migration software migrate Free/Busy status? Solution: The Free/busy info is a feature of MS Exchange Server provided by Availability Service. This is not something that is migrated, it is kind of data that is derived from another data. Starting MS Exchange Server [...] (ID:354)
What happens to my emails after migration if the source and target domains are different »
[...] you need to transfer your domain from the source environment to the new one. Check out Microsoft documentation on how to add a new domain to Office 365 or Exchange on-premises for more information. Important If you are about to transfer a domain between two Office 365 tenants, make sure you first remove the domain from the [...] (ID:742)
How to recreate Outlook profiles after the migration »
[...] reg add "HKCU\Software\Microsoft\Exchange\Client\Options" /v PickLogonProfile /t REG_DWORD /d "0" /f Outlook 2013 reg add HKCU\Software\Microsoft\Office \15.0\Outlook\Profiles\ reg add "HKCU\Software\Microsoft\Office \15.0\Outlook" /v DefaultProfile /t REG_SZ /d "" /F Outlook 2016 and 2019 reg add [...] (ID:726)
Troubleshooting mailbox migration problems caused by MAPI limits »
[...] source server connection wizard again. More information you can find in the User Guide for CodeTwo Exchange Migration and CodeTwo Office 365 Migration . Microsoft Exchange 2010 and newer: Throttling settings On Exchange 2010 and later, MAPI connections are affected additionally by throttling policies. To create a new [...] (ID:516)
Public folders are not showing in CodeTwo migration software »
[...] Target public folders are not listed in CodeTwo migration software while configuring a migration job wizard. Solution: First, make sure that public folders actually exist on your target server. If not, follow these steps to create them. If that's not the case, the problem may also occur if the User Principal Name (UPN) of [...] (ID:809)
How to test IMAP connectivity for migration purposes »
[...] You need to test IMAP connectivity between the machine that runs CodeTwo migration software (or is located within the same LAN segment) and your actual IMAP server. Solution: To check if it is possible to establish an IMAP connection between your source IMAP server and the machine used to perform the migration , you need to test [...] (ID:924)
How to fix problems with migration of public folders caused by insufficient permissions »
[...] Migration of public folders is not possible due to insufficient permissions. When trying to process public folders, the program is reporting the following (or similar) errors: Unable to upload this item: - . MAPI function GetPropList failed. Access denied (MAPI_E_NO_ACCESS) (0x80070005). Failed to get folder contents [...] (ID:510)
How to set up IIS for CodeTwo Exchange Sync and CodeTwo migration software »
[...] to open mailbox 'Private Folders'. MAPI logon failed (MAPI_E_LOGON_FAILED)(0x80040111). Solution: CodeTwo Exchange Sync and CodeTwo Exchange/Office 365 Migration require the following settings of IIS: SSL encryption for the Rpc service in IIS - disabled. (The MAPI profile used to access Exchange mailboxes does not support [...] (ID:287)
How to create public folders in Microsoft 365 (Office 365) and Exchange Server »
[...] or Exchange Server 2013, 2016, 2019. Solution: To enable public folders, you have to create an empty public folder tree. If you are using CodeTwo Office 365 Migration or CodeTwo Exchange Migration , the exact tree structure and content of the public folders from your old Exchange server will be automatically recreated in this [...] (ID:289)
How to fix Office 365 sign-in problem »
[...] You are unable to sign in to Office 365 while configuring a connection in CodeTwo migration software. You get the following error when the Office 365 sign-in page opens in your browser: Stack overflow at line: 20 Solution: The problem you are experiencing is not caused by CodeTwo software. Instead, it is related to the older [...] (ID:847)
How to migrate on-premises public folders to Microsoft 365 in a hybrid environment »
[...] the Root permissions for your public folders in the target environment, remember to use the same admin account that you will use in CodeTwo Office 365 Migration to connect to the target Microsoft 365 tenant. Keep in mind that the propagation of a newly created public folder mailbox may take some time (even up to a few hours). [...] (ID:944)
How to register CodeTwo applications in Entra ID (Azure AD) »
[...] You want to manually register CodeTwo application in your Microsoft Entra ID tenant. Solution: CodeTwo Backup (starting version 2.3.x). CodeTwo Office 365 Migration / CodeTwo Exchange Migration (starting version 3.2.x) and the Sent Items Update service in CodeTwo Exchange Rules family of software (starting version x.14) connect [...] (ID:840)
Troubleshooting the ‘Mailbox does not exist’ error »
[...] to perform backup or migration tasks is not mailbox-enabled. It is one of the requirements for the admin account used in CodeTwo Backup, CodeTwo Office 365 Migration or CodeTwo Exchange Migration . To be able to continue with your backup/migration jobs, make sure to assign a Microsoft 365 license that includes Exchange Online to [...] (ID:781)
The request failed. The remote server returned an error: (405) Method Not Allowed »
[...] You get the following error in CodeTwo Office 365 Migration : The request failed. The remote server returned an error: (405) Method Not Allowed Solution: If you have a hybrid environment (on-premises Exchange server connected to Office 365 ) CodeTwo Office 365 Migration might not connect to Office 365 on some occasions. This [...] (ID:466)
Troubleshooting impersonation rights error »
[...] That way you can find the optimum setting for your server. Insufficient impersonation rights Important This solution does not apply to CodeTwo Office 365 Migration version 3.2.x and higher. If you are using an older version of the software, download the newest version here. It also does not apply to CodeTwo Backup version [...] (ID:799)
Troubleshooting the ApplicationImpersonation role assignment »
[...] Solution: Important This problem, as well as the solution described below, applies only to CodeTwo Exchange Migration and CodeTwo Office 365 Migration version 3.1.x and older. We recommend updating your CodeTwo migration software to the newest version. Click the links below to download the newest version of: CodeTwo Exchange [...] (ID:836)
Troubleshooting CodeTwo certificate validation problems »
[...] product is up to date, click the Check for updates link on the Dashboard, as shown in Fig. 1. Fig. 1. The Check for updates link in CodeTwo Office 365 Migration . If it’s not up to date, you will be provided with a link to download the latest version of your product. Use the links below to learn more about updating: CodeTwo [...] (ID:759)
How to check the location of a Microsoft 365 tenant and mailboxes »
[...] You would like to know the Azure region of your Microsoft 365 (Office 365 ) tenant and what Microsoft datacenters host your Exchange Online mailboxes. Solution: You can view the location of your Microsoft 365 tenant in the Microsoft 365 admin center or by accessing your Exchange Online via PowerShell and executing appropriate [...] (ID:669)
Troubleshooting problems with unavailable Exchange Web Services »
[...] the throttling policy settings on the source server Important It is not possible to modify throttling policies on your own in Exchange Online (Office 365 ). However, it is possible to temporarily ease the EWS throttling policy limits. Follow the steps provided in this article to find out how to do so. The rest of this section [...] (ID:797)
Migrating default Outlook folders »
[...] folders. Guidelines for CodeTwo migration software version 2. x If you are using an older version of CodeTwo Exchange Migration or CodeTwo Office 365 Migration , you might receive the following error if the WellKnownFolderName property is missing: The specified folder could not be found in the store. The solutions provided [...] (ID:712)
Troubleshooting CodeTwo license status verification issue »
[...] and you will be able to run your jobs again. CodeTwo Office 365 / Exchange Migration Close the program. Go to folder: %programdata%\CodeTwo\Office 365 Migration 3.2 if you use CodeTwo Office 365 Migration , or %programdata%\CodeTwo\Exchange Migration 3.2 if you use CodeTwo Exchange Migration . The version number (e.g. 3.2) [...] (ID:828)
How to migrate individual on-premises mailboxes and make them cloud-only in a hybrid deployment »
[...] from an on-premises Exchange server in a hybrid environment. Solution: Follow the steps below to change selected on-premises mailboxes to the Office 365 ones: Prepare the AD synchronization process for all users (mailboxes) planned to be migrated to the cloud. See this article to learn more. Make sure you’ve got the [...] (ID:990)
How the Exchange throttling policy impacts CodeTwo software »
[...] well as when the program creates (restores) these items in Office 365 or on the on-premises Exchange server. CodeTwo Exchange Migration and CodeTwo Office 365 Migration Exchange throttling policies also affect the migration speed and cause, in certain cases, a temporary inability to download or upload your items. Therefore, [...] (ID:283)
How to fix the issue with corrupted characters in AD data »
[...] Enter. You will see the root folder of our software – its name will differ depending on the product and version of the product you use (e.g. Office 365 Migration 3.2). Open the folder and go to Database. There, you’ll see XML job definition files which have been automatically created by our software (their names look like [...] (ID:945)
Troubleshooting authentication problems when migrating from Google »
[...] Click Select app and choose Other (Custom name), as shown in Fig. 2. Fig. 2. App password setup. Type in your custom app name (e.g. CodeTwo Office 365 Migration ) and click GENERATE. Fig. 3. Providing the app name. Your password (16-character code) appears in a new window. Copy the password so that it can be used [...] (ID:1000)
How to fix problems with verification of group membership »
[...] the user you chose in the Service account step meets all the requirements described in the user's manual of CodeTwo Exchange Migration or CodeTwo Office 365 Migration . If you are going to migrate public folders, double-check that this account has the permissions to access them. Be advised that some new privileges are not [...] (ID:579)
How to manage mailboxes in Microsoft 365 after migrating them within a hybrid environment »
[...] mailboxes within your hybrid environment with CodeTwo migration tools, you are unable to change some of the user settings in Microsoft 365 (Office 365 ) – both via Windows PowerShell or Exchange admin center in Exchange Online. You receive the following or similar message: This user is synchronized with your local Active [...] (ID:750)
CodeTwo Reseller Panel: frequently asked questions (FAQ) »
[...] offer support renewal: Info Support contract renewal is not available for CodeTwo Email Signatures 365 , CodeTwo Backup and CodeTwo Exchange/Office 365 Migration because technical support is already included in the subscription price for these products. (Note: in the case of CodeTwo Exchange/Office 365 Migration , the support [...] (ID:810)
How to retain folder permissions after restoring/migrating public folders with CodeTwo software »
[...] on your source environment in order to restrict access to some of the folders to a specific group of users. Solution: By default, each user in Office 365 or on-premises Exchange is assigned the Author permission level (role) to the top-level folder in the public folders tree. This role enables users to view that folder and [...] (ID:780)
Invalid mime content »
[...] During the migration with CodeTwo Exchange Migration or CodeTwo Office 365 Migration some items are not migrated and one of the following errors is recorded for them in the log files: Error while uploading package. System.Exception: [ErrorMimeContentInvalidBase64String] - Invalid base64 string for MIME content. Error [...] (ID:451)
Changing message size limits »
[...] Exchange Web Services (EWS) and configure the Transport Service or set your mailboxes correctly. Click the links to read more. MS Exchange Online (Office 365 ) MS Exchange Server 2010/2013/2016/2019 MS Exchange Online (Office 365 ) Any attempt to upload items exceeding the Office 365 EWS size limits results in the following (or [...] (ID:284)
Microsoft 365 sign-in screen appears blank when configuring a connection to Exchange Online »
[...] When configuring a connection to Microsoft 365 (Exchange Online) in CodeTwo backup or migration software, the Microsoft sign-in screen is not displayed correctly (blank screen is shown) and you cannot enter your credentials. This is similar to what is shown in Fig. 1. Fig. 1. Blank Microsoft 365 sign-in screen. Solution: [...] (ID:915)
How to fix problems related to the primary SMTP address in CodeTwo software »
[...] primary SMTP address may change automatically when you implement a new Email Address Policy or change the domain name. For example, in the case of Office 365 , you might receive this error when switching from a default domain (@my-company.onmicrosoft.com) to a custom one (@my-company.com). To troubleshoot this problem: First, [...] (ID:681)
Failed to configure MAPI profile »
[...] any existing or manually created MAPI profile. Follow the steps below to apply the workaround: Update your CodeTwo Exchange Migration or CodeTwo Office 365 Migration installation to the newest version available (must be at least 2.0.1.0). Start the program and run the source server connection wizard. Choose Exchange Server and [...] (ID:506)
Target server mailbox addresses are not resolving »
[...] Target server mailbox addresses are not resolving in CodeTwo Exchange Migration or CodeTwo Office 365 Migration . Solution: In some migration scenarios such as a cross-domain migration the target server email addresses do not resolve and are not listed. Target mailbox address must be in that case typed in. The possible reasons [...] (ID:394)
Error related to deserializing object graph »
[...] to download latest rules settings version. module: CommonLanguageRuntimeLibrary Migrate very large files in CodeTwo Exchange Migration or CodeTwo Office 365 Migration There was an error reading from the pipe: The pipe has been ended. (109, 0x6d). Solution: CodeTwo migration software If you are still experiencing this [...] (ID:498)
How to set impersonation rights manually »
[...] How to manually manage impersonation rights for an administrator account. Solution: Important Note that the old Office 365 Small Business plans do not allow you to assign impersonation rights manually. The default built-in admin account is the only one who can hold such permissions. Also, the current plans with a partial [...] (ID:285)
How to migrate room and equipment mailboxes »
[...] Resource mailboxes, such as rooms and equipment, are not listed in CodeTwo Office 365 Migration and CodeTwo Exchange Migration , so they cannot be migrated to any server. Solution: Although the migration of resource mailboxes is not supported, there is a workaround that allows you to migrate them as regular mailboxes, and then [...] (ID:391)
Error: MAPI logon failed (MAPI_E_LOGON_FAILED) (0x80040111) »
[...] You are able to migrate particular number of mailboxes (for example 20) with CodeTwo Exchange Migration or CodeTwo Office 365 Migration but after reaching that number further mailboxes are not migrated and the following error code can be found in the mailbox log files: MAPI logon failed (MAPI_E_LOGON_FAILED) (0x80040111) [...] (ID:412)
Error: [ErrorNonExistentMailbox] »
[...] You get the following error in CodeTwo Exchange Migration or CodeTwo Office 365 Migration : [ErrorNonExistentMailbox] - The SMTP address has no mailbox associated with it. Solution: The target mailbox is not fully enabled. A user must log in to the OWA and go through the initial mailbox configuration (define regional [...] (ID:411)
How to export a list of mailboxes to a CSV file »
[...] You need to export a list of mailboxes from an on-premises Exchange server or Exchange Online (Office 365 ) to a CSV file, for example, to use it with CodeTwo migration software. Solution: There are two ways to prepare a CSV file listing all the mailboxes residing on an Exchange on-premises or Exchange Online server: by using [...] (ID:525)
How to manually assign management roles »
[...] only the minimum required management roles to the admin account used to connect to your Exchange on-prem environment. Solution: Since CodeTwo migration tools use the Role Based Access Control (RBAC) permission model, we know exactly which roles need to be assigned to admin accounts that are used to connect to the source and [...] (ID:654)
Understanding the EX to SMTP conversion issue »
[...] You’ve migrated your items to a new server / cloud using the CodeTwo migration software. Now, when you reply to an email, in the To field, instead of a regular email address of your recipient, you see a number of tags with values similar to the ones presented below: (ID:939)
How to grant full access control to public folders »
[...] Log in to your Exchange admin center. Click public folders on the left pane. Info In the new Exchange admin center available in Exchange Online (Office 365 ), expand the Public folders item in the menu and select Public folders. Apart from this, the procedure is identical as described below. On the public folders tab, [...] (ID:658)
How to enable archive mailboxes in Exchange »
[...] on your environment, click an appropriate link below: Exchange Online (Microsoft 365 ) Exchange Server Exchange Online Important Before you proceed, make sure that the user or users for whom you want to enable the archive mailbox (In-Place Archive) is assigned an appropriate license that allows you to use this feature. Learn [...] (ID:1027)
How to check if my environment is hybrid? »
[...] with is cloud-only, purely on-premises or if it implements any hybrid configuration. Solution: The hybrid environment in most cases refers to an Office 365 tenant perpetually connected with an on-premises infrastructure. Active Directory synchronization The primary feature that is being implemented in hybrid environments is the [...] (ID:859)
Missing MAPI profile »
[...] profiles e.g. with MFCMAPI tool run under User-B. You may stumble upon this problem for example, when using CodeTwo Exchange Migration or CodeTwo Office 365 Migration . Suppose you configured a MAPI source server connection to use a different mailbox than the one that belongs to your user. The software supports such [...] (ID:522)
How to connect to an Exchange server via PowerShell »
[...] Add-PSSnapin Microsoft.Exchange.Management.PowerShell.SnapIn Connecting to Exchange Online Check the requirements for Exchange Online (Microsoft 365 ), Run Windows PowerShell. Check your Execution policy settings: Get-ExecutionPolicy By default, the execution policy is set to Restricted. To successfully connect to [...] (ID:350)
How to batch create Outlook profiles with Intune »
[...] the code below into it. You can replace NewProfile with a custom name of your new Outlook profile. Set-Location -Path 'HKCU:\Software\Microsoft\Office \16.0\Outlook\Profiles\' Get-Item -Path 'HKCU:\Software\Microsoft\Office \16.0\Outlook\Profiles\' | New-Item -Name 'NewProfile' -Force Set-ItemProperty -Path [...] (ID:951)
Error opening default mailbox in the MAPI profile »
[...] in which the machine is physically in the source server network but a member of the target server domain (applies to MAPI source connections in migration software only). There is another software using MAPI profiles installed on this machine, for example a 64-bit version of Outlook or BlackBerry Enterprise Server - please [...] (ID:414)
Legacy X500 email address displayed when replying to a migrated email message »
[...] You’ve completed an email migration from Exchange Server to Microsoft 365 (Office 365 ). Now, when you reply to a migrated email message, you see internal recipient addresses in the legacy X500 format instead of SMTP. When sending the reply, your email is not delivered, and you get a Non-Delivery Report (NDR). Solution: Such a [...] (ID:1052)
Corrupted emails after migrating from IMAP »
[...] You migrate emails from an IMAP server to a target on-premises Exchange server or Office 365 with CodeTwo migration tools. After the migration , your emails are empty, corrupted or lack formatting. Solution: Connect to your source IMAP server via an IMAP email client of your choice (e.g. Outlook, Apple Mail, or Thunderbird). If [...] (ID:664)
Error: The specified object was not found in the store »
[...] outdated information. The mailbox may have been moved recently. Solution: This error may occur when our software attempts to access Microsoft 365 (Office 365 ) mailboxes via EWS (Exchange Web Services). However, this error is not caused by CodeTwo software but is probably related to data propagation between Exchange Online [...] (ID:779)
How to delete the contents of a user mailbox »
[...] center. Click OK, Save and close the Exchange admin center. Log out of Windows and log back in for the changes to take effect. Exchange Online (Office 365 ) Sign in to the Exchange admin center. Go to Roles > Admin roles and select Organization Management from the role group list. In the pane that opens, go to the [...] (ID:349)
How to fix problems related to remote PowerShell connections »
[...] where a newer version of Windows operating system is installed. If the connection succeeds on that machine, you should consider moving your migration tool installation there. The source server cannot properly authenticate with the target environment It may be that your machine cannot resolve the FQDN or DNS name of the server [...] (ID:824)
Failed to find an exchange connection for selected mailbox »
[...] The program is unable to migrate your mailboxes and you are receiving the following error during the migration : Failed to find an exchange connection for selected mailbox. Solution: This error may be caused by the following reasons: Corrupted installation Perhaps your installation got corrupted due to some disk failures or [...] (ID:523)
Error opening default folder (MAPI-E-INVALID-ENTRYID) »
[...] While using CodeTwo Migration software, you are encountering the following error, regarding processing default folders of particular mailboxes: Error opening default folder. Invalid object entry id (MAPI_E_INVALID_ENTRYID) (0x80040107). Solution: This problem affects various configurations and appears to be a system specific [...] (ID:494)
How to migrate your autocomplete cache »
[...] (in older Outlook versions) or inside the content of your inbox. However, this data is not included when you migrate your mailboxes using CodeTwo migration software (see the Related products section below this article). There are two ways to move the autocomplete cache to your new environment, depending on the version of [...] (ID:603)
Finding large items in Exchange mailboxes »
[...] but such an operation might not be available for you due to specific policies in your organization. Also, in the case of Exchange Online (Office 365 ), there is a fixed (unchangeable) 150 MB limit per message set by Microsoft. In such a case, you might need to locate all large-sized messages in the source mailboxes to remove [...] (ID:440)
How to find the license key in CodeTwo software »
[...] programs. See also: What are Contact ID and Tenant Association ID and where to find them - check this article if you use CodeTwo Email Signatures 365 and need to contact our Customer Service (ID:167)
CodeTwo Office 365 Migration vs native migration tool »
[...] do I need CodeTwo Office 365 Migration ? This table highlights the main benefits of using CodeTwo Office 365 Migration while moving your users to the cloud. See the comparison of the program's features with the native capabilities of Office 365 . Read Microsoft MVP's, J. Peter Bruzzese's detailed discussion of Office 365 's native [...]
Office 365 (Microsoft 365) Migration Software »
[...] Office 365 Migration is a powerful desktop application for secure and automated data migrations to Microsoft 365 (Office 365 ) from Exchange and IMAP servers and between Microsoft 365 tenants. The program is easy to configure (no PowerShell scripting) and comes with advanced data filtering options and migration reports to ensure [...]
CodeTwo Office 365 Migration - Version History »
[...] Date 18 May 2022 New: Azure AD Graph API has been replaced with a more secure and resilient Microsoft Graph API, which is used to register CodeTwo Office 365 Migration in Azure Active Directory. New: Microsoft .NET Framework 4.6.1 or higher is now required for the program to work. Fixed: Improved migration of items from IMAP [...]
How it works? - CodeTwo Office 365 Migration »
[...] does the program work? CodeTwo Office 365 Migration is a solid, secure and highly scalable migration tool that you can use to move company’s mailboxes and public folders to Office 365 (Microsoft 365 ) in just one hop. The program lets you migrate data to Office 365 from on-premises Exchange environments, hosted Exchange [...]
CodeTwo Office 365 Migration - Security »
[...] is CodeTwo Office 365 Migration secure Migrating your company to Office 365 (Microsoft 365 ) is a big step. It may raise a lot of concerns about the data safety and integrity, as data on the move may be at a much greater risk than when it resides calmly in your environment. CodeTwo Office 365 Migration ensures that the process [...]
Migrate between Office 365 tenants with CodeTwo »
[...] No PowerShell scripting required Super secure (no 3rd party involved, full data encryption) Test for free Learn more How it works?Install CodeTwo Office 365 Migration on any workstation from which you can connect to both source and target Office 365 tenants. To start configuring your migration , click the Create a new migration [...]
Migrate Exchange to Office 365 | CodeTwo Office 365 Migration »
[...] to Office 365 (Microsoft 365 ) migration CodeTwo Office 365 Migration allows you to easily migrate on-premises Exchange Server data to Office 365 (Microsoft 365 ). No matter if you have a legacy Exchange environment, like Exchange 2010 or Small Business Server (SBS) 2011, or use the most recent Exchange version, like Exchange [...]
CodeTwo Office 365 Migration - Tenant to tenant migration »
[...] and acquisitions. Since many organizations rely on Office 365 , when they join their data needs to be transferred to a common tenant. CodeTwo Office 365 Migration addresses the needs of such companies, making the mailbox data migration between multiple tenants far simpler compared to the native approach. Company mergers and [...]
Reviews & customer stories | CodeTwo Office 365 Migration »
[...] & backup, and security testing. Vinicius Mozart, a multi-year Microsoft MVP and Cloud Architect at Wenz, describes his experience with CodeTwo Office 365 Migration and how our tool made it easier for the company to deliver a number of large tenant-to-tenant migration projects.HostedBizz is an Ottawa-based cloud [...]
CodeTwo Office 365 Migration - Screenshots and Videos »
[...] Check out the video presentations below to see CodeTwo Office 365 Migration in action. Find out how easy it is to move your organization's mailboxes to the cloud or migrate between two Microsoft 365 tenants.CodeTwo Office 365 and Exchange migration tools - quick overviewMigrate from Exchange to Microsoft 365 (Office 365 ) with [...]
Office 365 Migration - ensure a secure migration »
[...] could access the migrated data? Can any items get corrupted on the move? Those questions haunt administrators who face the migration task. CodeTwo Office 365 Migration answers those questions, removing any security-related doubts. CodeTwo Office 365 Migration is a tool which meets the highest security standards. It is also [...]
CodeTwo Office 365 Migration - Supported scenarios »
[...] source servers CodeTwo Office 365 Migration allows you to easily migrate mailboxes (primary and archive) from various source environments. You can: Migrate from on-premises Exchange Server to Office 365 (Microsoft 365 ). The program enables direct migrations from Exchange 2019, 2016, 2013 and 2010. Learn more... Migrate from [...]
Cutover, staged and hybrid migrations supported | CodeTwo »
[...] for cutover, staged and hybrid migration CodeTwo Office 365 Migration offers various migration types. The ability to choose mailboxes to move and apply filters to migrate only specific data from these mailboxes makes it easy to configure the migration process according to your needs. The 3 main migration types could be [...]
Hosted Exchange migration | CodeTwo Office 365 Migration »
[...] provider. This is what motivates many organizations to move their email to Office 365 – a task which is completed safely and quickly with CodeTwo Office 365 Migration . Our program can be used to migrate mailboxes from hosted Microsoft Exchange 2019, 2016, 2013 and 2010. You can install it on any machine within your [...]
CodeTwo Office 365 Migration - Prices »
[...] on the website are net of Value Added Tax and any other taxes or duties. New license Use the pricing calculator below to find out how much CodeTwo Office 365 Migration will cost, depending on the number of source mailboxes you need to migrate to Office 365 (Microsoft 365 ). If you are migrating to an on-premises Exchange [...]
Automatic creation of target mailboxes before migration »
[...] assigning the right licenses can take a lot of effort, especially when moving away from a server containing a large number of mailboxes. CodeTwo Office 365 Migration can automatically batch-create users in Office 365 and assign them licenses. Instead of using CSV files and PowerShell scripts, you simply specify the email [...]
Migrate Exchange public folders | CodeTwo Office 365 Migration »
[...] in PowerShell but it also makes the admin meet a lengthy list of prerequisites. Fortunately, there is a far less complicated alternative: CodeTwo Office 365 Migration . Among many other features, our migration tool allows for an easy migration of public folders to Office 356. It does not matter whether you want to migrate legacy [...]
Migrate Google, Zimbra and more to Office 365 »
[...] this path is supported, but proves to be much more troublesome than migrating from an on-premises Exchange Server. Fortunately, you can use CodeTwo Office 365 Migration to make transition from IMAP servers to Office 365 easier. With CodeTwo Office 365 Migration , you can migrate from any IMAP server using an intuitive UI and [...]
Office 365 Migration - easy configuration »
[...] 365 (Microsoft 365 ) is a complex task. Any migration tool must be able to perform complicated procedures. However, we made sure that CodeTwo Office 365 Migration performs those procedures flawlessly and in the background, while allowing you to set everything up in the most intuitive and simple way possible. If you use CodeTwo [...]
CodeTwo Office 365 Migration - Install in the cloud »
[...] different needs. That is why a migration tool needs to be flexible. One of the ways to achieve this flexibility is the option to install CodeTwo Office 365 Migration in Microsoft Azure. Deploying CodeTwo Office 365 Migration in the cloud can be helpful, for example, when you handle many migration projects at the same time. You [...]
Office 365 Migration - delta migration feature »
[...] with a risk that some items will get lost in transition. Most companies cannot afford to lose business-critical emails, and that is why CodeTwo Office 365 Migration comes with the delta migration capability. After a migration process is finished, simply click Run delta migration to restart the migration job. The program will [...]
Migrate mailboxes from any Exchange server to Office 365 »
[...] from Exchange 2019 / 2016 / 2013 / 2010 and SBS to Office 365 (Microsoft 365 ) CodeTwo Office 365 Migration is a versatile migration solution – just look at the supported Exchange Server versions: Apart from standalone versions of Microsoft Exchange Server, our migration tool for Office 365 (Microsoft 365 ) also allows you [...]
CodeTwo Office 365 Migration - Folder types selection »
[...] on the source server. Yet another organization might want to move a few chosen or newest items first and then migrate other as a next step. CodeTwo Office 365 Migration , unlike the native migration tools, supports all those scenarios and more. CodeTwo Office 365 Migration has been designed to let you handle any migration [...]
Automate migration process with CodeTwo Office 365 Migration »
[...] the admin to start the migration process manually. Not everyone is happy working long into the night or over the weekends. Fortunately, CodeTwo Office 365 Migration comes with an easy way to migrate mailboxes at any time without the need for anyone to operate the program whatsoever. With our Office 365 (Microsoft 365 ) migration [...]
HostedBizz Case Study | CodeTwo Office 365 Migration »
[...] to migrate mailbox data in a shortest time possible. Solution After evaluating several migration tools, HostedBizz decided to choose CodeTwo Office 365 Migration as the product that best meets its criteria. The company especially liked CodeTwo Success Team’s responsiveness and understanding of its migration needs. As Jim [...]
CodeTwo Office 365 Migration automatically matches mailboxes »
[...] Office 365 (Microsoft 365 ) can be challenging. Matching source mailboxes with the target ones can be troublesome. Fortunately, you can use CodeTwo Office 365 Migration to make this transition easier. Thanks to the automatic mailbox matching feature, source and target mailboxes are matched with one another with just a click of a [...]
Conversational Microsoft 365 Migration - download free ebook »
[...] can be a challenging task even for seasoned Exchange admins. That’s why CodeTwo has teamed up with J. Peter Bruzzese, a 9-time Microsoft Office 365 MVP, to prepare an as-concise-as-possible guide that can help you prepare for the task & determine the best strategy for all your migration projects, no matter the source server [...]
Migrate to Office 365 without any downtime »
[...] of office . Admins working on weekends and during holidays have become a phenomenon which hardly surprises anyone. Fortunately, thanks to CodeTwo Office 365 Migration , admins can ensure there is no downtime, even when migration occurs during usual business hours. Email service availability is not affected during the migration [...]
Case Study of Faber Bau GmbH | CodeTwo Office 365 Migration »
[...] imminent, company’s System Administrator, Ökkes Doldur, immediately contacted CodeTwo and asked for an advice. After learning more about CodeTwo Office 365 Migration , he and the Faber Bau GmbH IT management chose it as a suitable solution for the project. "The program is intuitive and well thought out. Super software!" – [...]
Detailed migration reports | CodeTwo Office 365 Migration »
[...] a chance that something will go wrong during data migration . The good question is whether you know what that “something” is. With CodeTwo Office 365 Migration , you can be sure that you will get all the data you need to solve any problem, thanks to comprehensive reports. There is no need to manually check whether the [...]
Wenz Tecnologia Case Study | CodeTwo Office 365 Migration »
[...] efficiently and deliver projects of any size and complexity in time. Solution After a bit of internet browsing, the company discovered CodeTwo Office 365 Migration . During initial testing, Vinicius Mozart, Cloud Architect at Wenz and a multi-year Microsoft MVP (Cloud and Datacenter Management), was instantly pleased with the [...]
Case Study by BDS Solutions | CodeTwo Office 365 Migration »
[...] mind, the company decided to leverage the familiarity with our tools as well as the existing business relations with CodeTwo and selected CodeTwo Office 365 Migration . Our tool became the simple but effective answer to BDS Solutions’ needs. It provided the company with a secure and easy way to migrate mailboxes to the cloud [...]
Migrate archive mailboxes | CodeTwo Office 365 Migration »
[...] planning your migration to Microsoft 365 , be sure to find the right solution that will let you migrate both primary and archive mailboxes: CodeTwo Office 365 Migration . Our migration tool allows you to migrate archive mailboxes from Exchange Online and on-premises Exchange to selected mailboxes (primary or archive) in your [...]
Migrate Exchange 2010, 2013 and newer to Office 365 »
[...] involves using several PowerShell commands and preparing mailbox mapping CSV files. Plus, there are no filtering options available at all. CodeTwo Office 365 Migration can help you simplify the entire migration process. Thanks to this GUI-based mailbox migration tool, you will be able to easily migrate the contents of all [...]
Office 365 Migration supports all languages »
[...] for admins to make sure that the migration won’t break anything language-wise, such as special or country-specific characters. And CodeTwo Office 365 Migration can help with that. With CodeTwo Office 365 Migration , you can be sure that every language is supported. No matter which system language is set on the source and the [...]
Migrate all item types to Office 365 - email, calendars & more »
[...] emails, calendars, contacts and more With CodeTwo Office 365 Migration , you can migrate all Outlook item types. Emails, contacts, calendars, tasks, notes and journals will be transferred to the target Office 365 (Microsoft 365 ) tenant together with a completely unchanged mailbox folder structure. As a result, the migration [...]
CodeTwo Office 365 Migration – Frequently Asked Questions »
[...] Asked Questions - CodeTwo Office 365 Migration Take a look at the list of frequently asked questions about CodeTwo Office 365 Migration :
Configuring a migration job »
[...] name cannot contain the following special characters: \ / : * ? < > | Next, use the options shown in Fig. 2., item 2, to indicate where CodeTwo Office 365 Migration is installed: inside the source Exchange server domain (which means you have access to the source Exchange server), outside the source Exchange server domain [...]
Migration »
[...] Office 365 Migration is a tool designed to migrate source mailboxes and public folders to the chosen target location. Unlike other software of this kind, this program performs the simplified migration , which doesn't need any extra steps. The program does not require hosted agents on the target server or any of its [...]
Hybrid migration »
[...] target servers located both on-premises and in the cloud, some additional steps need to be included. How to perform the hybrid migration in CodeTwo Office 365 Migration Info Keep in mind that some steps described below may differ in the case of using a CSV file with matched source and target mailboxes to perform a migration [...]
Additional configuration information »
[...] Office 365 Migration offers additional options that improve the migration process and let you take control of the mailbox items that will be migrated. These options are available as steps in the migration job wizard or the server connection wizard. To access the migration job wizard, click Edit on the program's ribbon. To [...]
Dashboard and Jobs »
[...] Administration Panel of CodeTwo Office 365 Migration consists of the following tabs: Dashboard - allows you to get a basic overview of the program status. You can check the progress of your migrations , activate the program or verify if any errors were encountered. Jobs - designed to manage all your migration jobs. This [...]
Migration between two Office 365 tenants »
[...] Pre-migration activities Before you install and configure CodeTwo Office 365 Migration , make sure that your environment (both the source and target server) is prepared for migration and that you meet the system requirements. Below you will find the list of key points to be considered: Step 1: (Optional) Add a [...]
Supported platforms and system requirements »
[...] for its proper operation, and the list of supported platforms. Software components The program consists of two main components: CodeTwo Office 365 Migration Administration Panel – used to manage and perform migrations . CodeTwo Office 365 Migration Data Provider service – responsible for accessing source Exchange [...]
Cutover migration »
[...] this article, you will learn about what the cutover migration is, how to perform it in CodeTwo Office 365 Migration , and what are the most common use cases for this migration type. What is a cutover migration ? How to perform the cutover migration Use cases for the cutover migration What is a cutover migration ? A cutover [...]
Migration from Exchange Server to Office 365 »
[...] Pre-migration activities Before you install and configure CodeTwo Office 365 Migration , make sure that your environment (both the source and target server) is prepared for migration and that you meet the system requirements. Below you will find the list of key points to be considered: Step 1: (Optional) Add a [...]
Matching mailboxes »
[...] process to succeed, mailboxes must exist in the target environment. You can create them together with corresponding users directly in CodeTwo Office 365 Migration , as shown below. Note that target public folders need to be created directly in Office 365 . Instructions on how to create public folders are available here. [...]
Migration from hosted Exchange server to Office 365 »
[...] will help you migrate from third-party hosted Exchange services, such as Intermedia, Rackspace or GoDaddy. Before you install and configure CodeTwo Office 365 Migration , make sure that your environment (both the source and target server) is prepared for migration and that you meet the system requirements. Below you will find [...]
Reports »
[...] allows you to track the progress of your migrations . To create a new, up-to-date report of the desired range, use the Reports section (Fig. 1.) on the ribbon, available on the Jobs tab. The program allows you generate the following types of reports: Overall migration report, which includes a summary of all migration jobs
Connecting to source Office 365 »
[...] the installation of CodeTwo Office 365 Migration is finished, you need to choose a source environment from which the data will be pulled and migrated to selected mailboxes in target Office 365 . This article describes how to connect to source Office 365 tenant. To create a new source Office 365 connection, click the Settings () [...]
Connecting to a source Exchange server »
[...] the installation of CodeTwo Office 365 Migration is finished, you have to choose a source environment from which the data will be pulled and migrated to selected mailboxes on target Office 365 tenant. This article describes how to connect to a source Exchange server. There are two recommended connection methods for Microsoft [...]
Migration from IMAP source to Office 365 »
[...] supporting IMAP, e.g. IBM Notes, Zimbra, Google Workspace (G Suite), Zarafa, Kerio Connect and more. Before you install and configure CodeTwo Office 365 Migration , make sure that your environment (both the source and target server) is prepared for migration and that you meet the system requirements. Below you will find the [...]
Connecting to target Office 365 »
[...] you installed CodeTwo Office 365 Migration and configured a source environment, it is time to create a connection to your target Office 365 tenant. To configure a target connection, you need to launch the Target server connection wizard. There are two ways to do that: click the Settings () button on the Defined target [...]
Staged migration »
[...] article describes how to use CodeTwo Office 365 Migration to migrate all your data in two stages. Use the links below to learn more about: characteristic features of the staged migration how to perform the staged migration use cases for the staged migration Characteristic features of the staged migration This migration type [...]
Overview »
[...] Office 365 Migration lets you migrate your company's mailboxes and public folders located in Microsoft 365 (Exchange Online) or on on-premises Exchange server (2010 and newer) to Microsoft 365 . It also allows you to migrate mailboxes from hosted Exchange servers and emails from IMAP servers (Google Workspace [formerly [...]
Scheduler »
[...] When the scheduler is set, you don’t need to be present to start, continue or finish the job. Important The machine equipped with CodeTwo Office 365 Migration needs to be turned on, and the Administration Panel of the program has to be running during the scheduled migration . Otherwise, the migration job will not be [...]
Additional migration options for mailboxes »
[...] new items (that appeared after the migration process was completed), click the Run delta migration button. Reset mailbox migration state CodeTwo Office 365 Migration stores information about the items that are being migrated between the source and target mailboxes in its cache. This solution allows the program to check the [...]
Delta migration explained »
[...] you configure and start a migration job, CodeTwo Office 365 Migration performs a full migration of the selected data from the source server to the target one. Once the full migration is finished, you can use the Run delta migration feature that scans the source server for: any items that were intentionally not migrated [...]
First steps »
[...] time using the program? CodeTwo Office 365 Migration is a versatile tool that lets you migrate your data from different email environments (e.g. an Exchange server or an IMAP server) to Microsoft 365 (Office 365 ) with the use of advanced features that are not available with the native solutions. Go to the section of your [...]
Connecting to a source IMAP server »
[...] the installation of CodeTwo Office 365 Migration is finished, you have to choose a source environment from which the data will be pulled and migrated to selected mailboxes in target Office 365 . This article describes how to connect to a source IMAP server. Important You must be aware that to migrate via IMAP you need to have [...]
Log files »
[...] Office 365 Migration generates various diagnostic data for all its components. All this data is kept together within the software's subfolder in the %ProgramData% folder along with some configuration and statistics files. Sending logs to CodeTwo Support If you ever experience technical difficulties with CodeTwo Office 365 [...]
Trial version »
[...] trial version of CodeTwo Office 365 Migration works for 30 days for an unlimited number of mailboxes. However, you can only migrate up to 10 items of any type (emails, contacts, tasks, meetings etc.) from each mailbox, including public folders. When the 30 days are over, the program switches to the read-only mode. You will be [...]
Migration speed »
[...] we recommend installing the software on a workstation or dedicated server with better hardware and newer operating system. In migrations from Office 365 , which are handled via EWS, you can install on any machine with connection to both the source and the target environment. For migrations from hosted Exchange server (handled [...]
How to uninstall CodeTwo Office 365 Migration »
[...] uninstall CodeTwo Office 365 Migration from your machine, follow these steps: Open Control Panel in Windows. Click (Programs >) Programs and Features. Find CodeTwo Office 365 Migration on the list, right-click it and select Uninstall. Follow the uninstaller wizard instructions if any are displayed. Info If for some [...]
Installation process »
[...] installing CodeTwo Office 365 Migration , you need to decide on which machine you want to install it. The main factor you should take into consideration is your migration source. In migrations from on-premises Exchange Server, the program should be installed in the source server domain – either directly on the source [...]
Troubleshooting application registration »
[...] registration option when configuring a source or target Office 365 connection in the program, the connection wizard attempts to register CodeTwo Office 365 Migration in your Microsoft Entra ID (Azure Active Directory). If the attempt fails in the Configuration step (Fig. 1.), click Details to learn more about the reason [...]
Refresh email addresses »
[...] perform a successful migration with CodeTwo Office 365 Migration you need to, at least, connect to your source and target servers, select mailboxes that you want to migrate and match them with mailboxes residing on your target server. However, each time the email addresses of these mailboxes are changed on your source or [...]
Troubleshooting application authentication »
[...] (Azure Active Directory). If it fails to do so, you will receive the following notification (Fig. 1.): Fig. 1. Failure to authenticate CodeTwo Office 365 Migration with Entra ID. Click Details to learn more about the cause of the failure. The most common errors and possible solutions are listed below. The SMTP address has [...]
Managing server connections »
[...] Configuring the source EWS connection (on-premises Exchange) Configuring the source MAPI connection (on-premises Exchange) Configuring the source Office 365 connection Configuring the source hosted Exchange connection Configuring the source IMAP connection Configuring the target connection Reconfiguring server connections [...]
Migration types »
[...] migration software supports most common migration types: cutover, staged and hybrid. Simply configure the migration job accordingly, and the program will do the rest for you. In case you're not sure which type is best suited for your needs, click the links below to learn more about the corresponding migration types: Cutover [...]
Program's components »
[...] Office 365 Migration consists of the following components: Data Provider Service and Administration Panel. To provide you with maximum safety, there are no CodeTwo agents on the intermediary, third-party servers. CodeTwo Office 365 Migration Data Provider Service This is a Windows service responsible for accessing source [...]
Migration walkthrough »
[...] Direct migration from Exchange Server to Office 365 Direct migration between two Office 365 tenants Migration from hosted Exchange Server to Office 365 Migration from IMAP source to Office 365 You can also watch this short video below that walks you through all the configuration steps in the program to perform data migration [...]
How to »
[...] the program will ask you to configure a source connection when you create your first migration job. You can define multiple Exchange or Office 365 connections via EWS, one Exchange Server connection via MAPI, and multiple connections to other servers (e.g. Gmail) via IMAP. Navigate between the articles below to learn how [...]
Licensing »
[...] licensing model of CodeTwo Office 365 Migration is based on the total number of source mailboxes that will be migrated. Each migrated mailbox consumes one license. Regardless of the number of licenses that you purchase, you will only receive one license key. The key contains information on how many mailboxes can be migrated [...]
Troubleshooting EWS connectivity (Office 365) »
[...] Office 365 Migration attempts to connect to EWS (Exchange Web Services) during the Configuration step of the source/target server connection wizard. If the connection cannot be established, you will get the following error message: Fig. 1. Failure to connect to Exchange Web Services. Once you click Details, you will get a [...]
Troubleshooting View-Only Configuration role assignment »
[...] with the View-Only Configuration role assigned. When you provide the correct credentials, the program will check if the admin account used for the migration is missing any other roles required for the migration process. If so, the program will attempt to assign them automatically (Fig. 3.). Click Yes to proceed. Fig. 3. [...]
Troubleshooting server connection »
[...] and that they match the UPN. If you are still using the pre-Windows down level logons (DOMAIN\user) you must create a UPN for the purpose of the migration . The request failed. Unable to connect to the remote server. This error occurs if the domain name in the administrator's email address is misspelled or the password is [...]
How to update or upgrade and what is the difference »
[...] server connections, migration jobs as well as the migration progress and program settings will not be imported to the newer versions of CodeTwo Office 365 Migration . If you don't finish your migration jobs and configure the same jobs in version 3.2.x (or newer), you may end up with duplicated items in the target mailboxes. The [...]
Troubleshooting ApplicationImpersonation role assignment »
[...] roles. Therefore, you will not be asked to provide the credentials of other admin users again as long as you use the same admin account for the migration process. If you don't want the program to assign any roles automatically, you can do it manually, following the steps described in this KB article. Problem not solved? If [...]
Office 365 connectivity »
[...] connect with Office 365 , CodeTwo Office 365 Migration needs to be registered in the Entra ID (Azure AD) of each tenant that is used in the migration process. Once registered, the application uses Microsoft Graph and Exchange Web Services to access mailboxes and perform the migration . Follow the links below to read about most [...]
Activation »
[...] need to activate CodeTwo Office 365 Migration after the trial license has expired. Follow the links below to learn how to: Activate the program for the first time Activate the program after an upgrade Update the number of available licenses after expanding the license Important CodeTwo Office 365 Migration requires internet [...]
Troubleshooting Graph API connectivity »
[...] errors related to Graph API connectivity. Code: Authorization_RequestDenied Message: Insufficient privileges to complete the operation. CodeTwo Office 365 Migration doesn't have the necessary permissions to perform that operation. Make sure to follow these steps in order to grant all the required permissions in your Entra [...]
Management roles »
[...] Office 365 Migration takes advantage of the Role Based Access Control (RBAC) permission model to connect to on-premises Exchange server via EWS. RBAC enables assigning different roles to users in order to maintain their access rights or allow them to perform specific tasks. Our program requires the admin accounts used for the [...]
Understanding CodeTwo Office 365 Migration »
[...] sections, you will learn about: Program's components - information on how the software is built and what component is responsible for what task. Migration - describes the possible migration scenarios, how they work, what can be migrated. Migration speed - lists all factors that affect the migration speed and explains how to [...]
Troubleshooting »
[...] most common errors that you might encounter when using CodeTwo Office 365 Migration depend on your connection method. Use the links below to learn more. Troubleshooting EWS connectivity (Exchange Server & Office 365 ) Troubleshooting MAPI connectivity (Exchange Server) Troubleshooting IMAP connectivity We recommend that you [...]
Upgrade to version 3.x »
[...] 2.x settings will be stored on your local drive in case you decide to roll back to version 2.x. Upgrade from version 1.x You can upgrade CodeTwo Office 365 Migration from 1.x. to 3.x. The procedure is the same as when upgrading from 2.x. to 3.x. Before upgrading your instance of the program, read the information above to be [...]
Feedback »
[...] feedback is very important to us. It has continuously helped us develop better applications and we strongly encourage you to send us your concerns and suggestions about new and existing features. Your opinion shapes new functionalities and drives changes in the forthcoming versions of our software. To share your opinion, [...]
Reinstall or move to a different machine »
[...] We strongly recommend consulting with CodeTwo Support before rushing into this decision. Move installed program to a different machine CodeTwo Office 365 Migration is not designed to be moved to another computer once installed and configured, so doing that may be complicated. See our Knowledge Base article on that topic.
Troubleshooting source Exchange Server connectivity »
[...] Microsoft Exchange Information Store service is not running, there is another software (installed on the machine equipped with CodeTwo Office 365 Migration ) that uses MAPI profiles. Fig. 1. Checking server's connectivity – MAPI connection. Study the examples below that show the most common MAPI-related source server [...]
Monitoring and diagnostics »
[...] Office 365 Migration provides multiple ways of monitoring the software state, behavior and diagnosing problems: Dashboard and Jobs - the Administration Panel, which consists of Dashboard and Jobs tabs, serves as command and control interface for the software. Reports - software generated reports, including those delivered in [...]
Troubleshooting Data Provider service configuration »
[...] article describes the Configure data provider service action of the source MAPI connection wizard. When this action is performed, the program configures the Data Provider Service. The service uses the MAPI profile of the defined administrator's account to access and pull data from the source mailboxes. Fig. 1. The failed [...]
IMAP source connectivity »
[...] configuring an IMAP connection, the application attempts to contact the desired server using IMAP protocol. To connect properly to an IMAP server, the program needs the following information: Host name, provided either as an IP address (e.g. 88.84.42.21) or public name (e.g. ftp.example.com) Port, under which the IMAP service [...]
Installation overview »
[...] different machine Uninstall the program If you want to learn more about the concept and main features of the program, go to Understanding CodeTwo Office 365 Migration article. To learn how to configure each feature, visit the How to section.
Troubleshooting the source Exchange Server administrator's group membership »
[...] article describes the Check group membership action of the source MAPI connection wizard. When this action is performed, the program checks if the administrator (provided in the previous step of the wizard) is a member of the Organization Management group. If the program fails to confirm your group's membership [...]
MAPI source connectivity »
[...] is one of the available methods of connecting to a source Exchange server. You need to choose the MAPI protocol if you connect to Exchange 2010 without SP1. Important The program currently allows creating only one connection to a source Exchange environment via MAPI. You can create multiple connections via EWS. This section [...]
EWS source/target connectivity »
[...] Web Services (EWS) are used by the program to connect to source Exchange Server - this method should be used for connections to Exchange 2010 with SP1 or later (for connections to Exchange versions earlier than 2010 SP1, MAPI protocol should be used). You can create several EWS connections in the program. This section [...]
