All, I just completed a migration from Exchange 2007 to Exchange 2013 CU9 on premises. It appears everything went well, mail is flowing, no errors in events logs, so I've uninstalled the old 2007 server. Everything is working except, I just tried to create a new room resource in ECP and get a warning stating:
"This mailbox was created successfully, but some properties weren't saved." "Cannot open mailbox <fullyDistinguishedName>/cn=Microsoft System Attendant."
i've searched and searched, but cannot find a clear answer to this. I only have one 2013 server with one mailbox database and it is mounted (obviously, everything else is working fine as I mentioned).
Has anyone else encountered this and been able to fix it?
- Edited by in2jars Tuesday, August 04, 2015 7:10 PM