Knowledge Base

How to back up mailboxes from a subdomain


You want to back up mailboxes from a subdomain, but they are not detected by CodeTwo Backup when creating a new backup job or when running an existing backup job.


To create backups of mailboxes from a subdomain, you have to modify the configuration of CodeTwo Backup in the following way:

  1. If the program is running, stop all jobs, close the Administration Panel and stop the CodeTwo Backup Service by using the Windows Services Manager (services.msc), as described in this article.
  2. Go to the folder where CodeTwo Backup is installed. The default location is:
    C:\Program Files\CodeTwo\CodeTwo Backup
  3. Find the CodeTwoBackup.ExchangeClient.dll.config file and, as a precaution, create a copy of this file in another location before you start editing it.
  4. Open the original file with Notepad or a similar text editor.
  5. Find the following parameter:
    <setting name="GetMailboxIgnoreDefaultScope" serializeAs="String">
  6. Change the value from False to True.
  7. Save changes and close the text editor.
  8. Restart the CodeTwo Backup Service.
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