Return
-
Title
Connecting to EXO may fail via PowerShell in the tool. -
Description
When executing any action in the MPEX console, the system logs an error in Event Viewer related to PowerShell.
Example:
Populate new forest
Unable to import Exchange session from 'outlook.office365.com'.
Connect-ExchangeOnline -Credential (Get-Credential "admin@domain.onmicrosoft.com")
System.Management.Automation.RuntimeException: Unknown Status: Unexpected
Error: 0xffffffff80070520
Tag: 0x21420087 (error code -2147023584) (internal error code 557973639) ---> Microsoft.Identity.Client.MsalServiceException: Unknown Status: Unexpected
Error: 0xffffffff80070520 -
Cause
The system was running Exchange Online PowerShell module version 3.7.0 or above.
-
Resolution
Uninstall the EXO module version 3.7.0 or above, and install version 3.6.0.