Article ID: 2839533 - View products that this article applies to.
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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:
General information about RPC Client Access service


Article ID: 2839533 - Last Review: November 26, 2013 - Revision: 3.0
Applies to
  • Microsoft Exchange Server 2010 Service Pack 3, when used with:
    • Microsoft Exchange Server 2010 Standard
    • Microsoft Exchange Server 2010 Enterprise
kbqfe kbfix kbsurveynew kbexpertiseinter KB2839533

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