SCOM logs many "Forefront TMG Server - Cache: Current Cache Fetches Average Ms Per Request error" error alerts from TMG Management Pack through Forefront TMG 2010


Consider the following scenario:

  • You install Microsoft Forefront Threat Management Gateway (TMG) 2010.

  • You import Forefront TMG Management Pack in System Center Operations Manager (SCOM).

In this scenario, the SCOM server might receive many instances of the following error alert from Forefront TMG Management Pack through the Operations Manager agent on the Forefront TMG server:

Forefront TMG Server - Cache: Current Cache Fetches Average Ms Per Request error


This issue occurs because of a bug in the code.


Update information

To resolve this issue, install the software update that is described in the following Microsoft Knowledge Base (KB) article:

2498770 Software Update 1 rollup 3 for Forefront Threat Management Gateway (TMG) 2010 Service Pack 1


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

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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