MigrationPermanentException: Cannot find a recipient that has a mailbox GUID

Ran into the following error while attempting to offboard a mailbox (migrate it back on prem from Exchange Online): MigrationPermanentException: Cannot find a recipient that has mailbox GUID ‘xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxx’ This error is usually caused when a mailbox is created directly in the cloud (New – Office 365 Mailbox in Exchange console on prem). The Exchange … Read moreMigrationPermanentException: Cannot find a recipient that has a mailbox GUID