Active Directory operation failed on YOURDC.YOURDOMAIN.LOCAL. This error is not retriable. Additional information: Insufficient access rights to perform the operation.
If you are trying to move a mailbox from Exchange 2003 to Exchange 2010 and you receive an error like the one above then you may need to change some permissions on the user you are trying to move. The process is very quick and easy.[Read more…] about Moving Mailboxes from Exchange 2003 to 2010 fails with Access Denied