- The System Attendant mailbox appears under Disconnected Mailboxes in the Exchange Management Console (EMC)
- Users are unable to retrieve the free/busy information for Exchange users Event ID 8197
- Search Indexing fails with a MapiExceptionUnknownUser error
- Move Mailbox fails with: "hr=0x80040111" "ec=1010"
- When you perform MAPI connectivity tests by running a cmdlet, such as the test-mapiconnectivity -verbose cmdlet, you receive a Microsoft.Mapi.MapiExceptionUnknownUser result
The System Attendant homeMDB attribute is missing