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RPC Client Access service freezes in an Exchange Server 2010 environment

When the Microsoft Exchange RPC Client Access service (Microsoft.Exchange.RpcClientAccess.Service.exe) freezes in a Microsoft Exchange Server 2010 environment, users cannot connect to the Client Access server until the RPC Client Access service is restarted.
This issue occurs because of a deadlock in the RPC Client Access service.
To resolve this issue, install the following update rollup:
2891587 Description of Update Rollup 3 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.
More information
For more information about the RPC Client Access service, go to the following Microsoft website:

Article ID: 2839533 - Last Review: 11/26/2013 02:22:00 - Revision: 3.0

  • Microsoft Exchange Server 2010 Service Pack 3
  • kbqfe kbfix kbsurveynew kbexpertiseinter KB2839533