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

Applies to: Forefront Threat Management Gateway 2010 EnterpriseForefront Threat Management Gateway 2010 Standard

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.