Applies ToForefront Threat Management Gateway 2010 Enterprise Forefront Threat Management Gateway 2010 Standard

Symptoms

A server that is running Microsoft Forefront Threat Management Gateway (TMG) 2010 may crash with the following Stop error:

IRQL_NOT_LESS_OR_EQUAL (a) An attempt was made to access a pageable (or completely invalid) address at an interrupt request level (IRQL) that is too high. This is usually caused by drivers using improper addresses. If a kernel debugger is available get the stack backtrace. Arguments: Arg1: fffff98000000080, memory referenced Arg2: 0000000000000002, IRQL Arg3: 0000000000000000, bitfield : bit 0 : value 0 = read operation, 1 = write operation bit 3 : value 0 = not an execute operation, 1 = execute operation (only on chips which support this level of status) Arg4: fffff80001ba38e8, address which referenced memory

Resolution

To resolve this problem, install the service pack that is described in the following Microsoft Knowledge Base article:

2555840 Description of Service Pack 2 for Microsoft Forefront Threat Management Gateway 2010

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

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