FIX: A "DRIVER_IRQL_NOT_LESS_OR_EQUAL (d1)" Stop error may occur on a server that is running Forefront Threat Management Gateway (TMG) 2010

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Article ID: 2785800 - View products that this article applies to.
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Symptoms

A server that is running Microsoft Forefront Threat Management Gateway (TMG) 2010 may crash, and the following Stop error occurs:
DRIVER_IRQL_NOT_LESS_OR_EQUAL (d1)
Arguments: Arg1: 000000000000002c, memory referenced
Arg2: 0000000000000002, IRQL
Arg3: 0000000000000000, value 0 = read operation, 1 = write operation
Arg4: fffff8800473bad9, address which referenced memory

Resolution

To resolve this problem, install the hotfix package that is described in the following Microsoft Knowledge Base article:
2735208 Rollup 3 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

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

Properties

Article ID: 2785800 - Last Review: January 10, 2013 - Revision: 2.0
Applies to
  • Microsoft Forefront Threat Management Gateway 2010 Service Pack 2, when used with:
    • Microsoft Forefront Threat Management Gateway 2010 Enterprise
    • Microsoft Forefront Threat Management Gateway 2010 Standard
Keywords: 
kbqfe kbfix kbexpertiseinter kbbug kbsurveynew KB2785800

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