Troubleshooting failure to remove Exchange Online inbound connector
You got an error that begins with:
Failed to remove Exchange Online inbound connector
when removing Exchange Online connectors via the program's wizard. There might be a few reasons why the program was not able to remove the connector. Details on the error are displayed in red font. The links below describe the most common errors and provide solutions:
If your error is not listed above, we advise that you try to remove the connector manually. Read this article for guidelines.