Article ID: 331068 - View products that this article applies to.
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Internet Security and Acceleration (ISA) Server Firewall service may slow down or stop responding to client requests.
This behavior occurs under the following configuration:
The ISA Server Firewall service causes a handle leak in the Local Security Authority (LSASS) process.
You can detect the leak by using the System Monitor (Perfmon) tool to analyze the Handle Counter for LSASS Process.
To resolve this problem, obtain the Update Rollup for ISA Server Services. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/810493/EN-US/ )INFO: Update Rollup for ISA Server Services
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
Article ID: 331068 - Last Review: October 26, 2013 - Revision: 1.3