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The Microsoft Exchange RPC Client Access service (Microsoft.Exchange.RpcClientAccess.Service.exe) crashes on a Microsoft Exchange Server 2010 Client Access server together with a System.InvalidOperationException exception. Additionally, the following event is logged in the Application log:


This issue occurs because a race condition occurs when the RPC Client Access service changes performance counters.


To resolve this issue, install the following update rollup:

2917508 Description of Update Rollup 5 for Exchange Server 2010 Service Pack 3


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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