FIX: Incorrect Performance Monitor values when queried from a .NET Framework app in Forefront Threat Management Gateway 2010

Applies to: Microsoft Forefront Threat Management Gateway 2010 Service Pack 2Forefront Threat Management Gateway 2010 EnterpriseForefront Threat Management Gateway 2010 Standard

Symptoms


Consider the following scenario:
  • You use a Microsoft .NET Framework application to query Performance Monitor counters in Microsoft Forefront Threat Management Gateway 2010.
  • The application queries counters for the Forefront TMG Firewall Service.

In this scenario, all the values that are returned by the counters appear incorrect when they're compared to the values that are returned in Performance Monitor.

For example, this problem occurs when the application queries the Active UDP Connections counter. In this situation, the counter always returns 300 regardless of what the correct value is.

Cause


This problem occurs because the Performance Monitor definitions for the Forefront TMG Firewall Service are incorrect.

Resolution


To resolve this problem, install Rollup 4  for Forefront Threat Management Gateway 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.