Symptoms

Under specific conditions, a handle leak may occur in the Local Security Authority Subsystem Service (Lsass.exe) process on a server that is running Microsoft Forefront Unified Access Gateway (UAG) 2010. This problem can be seen in Performance Monitor by using the Process(process_name)\Handle Count counter for the Lsass object instance.

Cause

This problem occurs because of an issue in Forefront UAG. This problem causes a handle leak in the Lsass.exe process when Outlook Anywhere is published, and Kerberos constrained delegation (KCD) is used.

Resolution

To resolve this problem, install Service Pack 4 for Microsoft Forefront Unified Access Gateway 2010.

Status

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

References

See the terminology Microsoft uses to describe software updates.

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