Symptoms

The Firewall service (Wspsrv.exe) may crash intermittently while a web publishing request is handled in Microsoft Forefront Threat Management Gateway 2010.

Cause

This problem may occur when the Web Publishing listener has the Require SSL Client Certificate option enabled.

Resolution

To resolve this problem, install Rollup 4 for Forefront Threat Management Gateway (TMG) 2010 Service Pack 2.

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 Microsoft uses to describe software updates.

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