FIX: The Forefront TMG Firewall service (Wspsrv.exe) may crash when the DiffServ filter is enabled

Symptoms

The Firewall service (Wspsrv.exe) in Microsoft Threat Management Gateway (TMG) 2010 may crash intermittently when the DiffServ filter is enabled.

Resolution

To resolve this problem, install Rollup 5 for Forefront Threat Management Gateway 2010 Service Pack 2.

Workaround

To work around this problem, disable the DiffServ filter at the array level.

Status

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

References

Learn about the terminology that Microsoft uses to describe software updates.

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