Yesterday, I fixed one of the issue I have faced while I was trying to delete the first mailbox database of an Exchange 2010 deployment. Arbitration mailboxes were presented in the database and New-MoveRequest has failed to move the Arbitration mailbox to a different database. While trying to move, the error reported was, Source user ‘Microsoft …

Continue reading Source user ‘Microsoft Exchange Approval Assistant’ doesn’t have a primary mailbox