Symptoms
Assume that you try to move mailboxes from Microsoft Exchange Server 2003 to an Exchange Server 2010 server. In this situation, the Microsoft Replication service crashes intermittently on the Exchange Server 2010 Client Access server. Additionally, the following events are logged in the Application log:
Log Name: ApplicationSource: MSExchange Mailbox ReplicationDate: DateEvent ID: 1121Task Category: RequestLevel: ErrorKeywords: ClassicUser: N/AComputer: ComputerDescription:The Microsoft Exchange Mailbox Replication service was unable to process a request due to an unexpected error.Request GUID: GUID Database GUID: GUIDError: MapiExceptionNotFound: Unable to open entry ID. (hr=0x80004005, ec=-1601)
Log Name: ApplicationSource: MSExchange CommonDate: DateEvent ID: 4999Task Category: GeneralLevel: ErrorKeywords: ClassicUser: N/AComputer: ComputerDescription:Watson report about to be sent for process id: Process ID, with parameters: E12, Build Type, Version Number, MSExchangeMailboxReplication, M.Exchange.MailboxReplicationService, M.E.M.MoveBaseJob.<BeginJob>b__c, System.NullReferenceException, XXX, Version Number.ErrorReportingEnabled: True
Log Name: SystemSource: Service Control ManagerDate: DateEvent ID: 7031Task Category: NoneLevel: ErrorKeywords: ClassicUser: N/AComputer: ComputerDescription:The Microsoft Exchange Mailbox Replication service terminated unexpectedly. It has done this XX time (s). The following corrective action will be taken in XX milliseconds: Restart the service.
Cause
This issue occurs because the Exchange Server 2010 Client Access server does not appropriately process the move request when it tries to remove a completed move request.
Resolution
To resolve this issue, install the following update rollup:
2785908 Description of Update Rollup 5 version 2 for Exchange Server 2010 Service Pack 2
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
