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FIX: The TMG Firewall service (wspsrv.exe) may crash when the DiffServ Filter is enabled
Article ID: 2512710 - View products that this article applies to.
In the Microsoft Forefront Threat Management Gateway 2010 (TMG) environment, the TMG Firewall service (wspsrv.exe) may crash when the DiffServ Filter is enabled. When this occurs, you notice the following event in the System log:
Event ID 14176
To resolve this issue, install the software update that is described in the following Microsoft Knowledge Base article:
(http://support.microsoft.com/kb/2517957/ )Software Update 1 Rollup 4 for Forefront Threat Management Gateway (TMG) 2010 Service Pack 1
To work around this issue, you have to disable the DiffServ Filter at the array level.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 2512710 - Last Review: June 15, 2011 - Revision: 1.0