Article ID: 894864 - Last Review: September 30, 2011 - Revision: 4.0

The ISA Firewall service may unexpectedly quit when ISA Server 2000 experiences heavy network traffic

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SYMPTOMS

When Microsoft Internet Security and Acceleration (ISA) Server 2000 experiences heavy network traffic, the Microsoft ISA Firewall service may unexpectedly quit (crash).
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CAUSE

This problem may occur if ISA Server 2000 experiences heavy network traffic from client computers that are configured as SecureNAT clients. In this situation, an access violation may occur during the Wspsrv.exe service.

Note You may experience this problem if you publish a server behind ISA Server 2000 that experiences heavy network traffic.
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RESOLUTION

To resolve this problem, click the following article number to view the article in the Microsoft Knowledge Base:
899753  (http://support.microsoft.com/kb/899753/ ) MS05-034: Cumulative security update for ISA Server 2000
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STATUS

Microsoft has confirmed that this is a problem in Microsoft Internet Security and Acceleration Server 2000.
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APPLIES TO
  • Microsoft Windows Small Business Server 2003 Premium Edition
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Keywords: 
kbsecurity kbtshoot kbfirewall kbqfe kbfix kbbug kbhotfixserver KB894864
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