The Microsoft Exchange RPC Client Access service crashes intermittently on a Microsoft Exchange Server 2010 server. Additionally, the following event is logged:
Log Name: System Source: Service Control Manager Event ID: 7031 Task Category: None Level: Error Keywords: Classic Description: The Microsoft Exchange RPC Client Access service terminated unexpectedly. It has done this 1 time(s). The following corrective action will be taken in 5000 milliseconds: Restart the service.
This issue typically occurs when a delegate of a mailbox accesses the mailbox, mailbox audit logging is enabled and the Microsoft Exchange Active Directory Topology service is stopped on the server.
When this issue occurs, clients cannot connect to the Exchange Server 2010 server.
This issue occurs because a System.InvalidOperationException exception occurs.
To resolve this issue, install the following update rollup:
2579150 Description of Update Rollup 4 for Exchange Server 2010 Service Pack 1
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about mailbox audit logging, visit the following Microsoft website: