The Microsoft Firewall service stops unexpectedly on a computer that is running ISA Server 2004 or ISA Server 2006

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Article ID: 943200 - View products that this article applies to.
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SYMPTOMS

On a computer that is running Microsoft Internet Security and Acceleration (ISA) Server 2004 or Microsoft Internet Security and Acceleration (ISA) Server 2006, the Microsoft Firewall service stops unexpectedly. This problem occurs only on multiprocessor computers, on multicore processor computers, or on hyper-threaded computers.

When this problem occurs, the following event is logged in the System log:

Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7034
Date: Date
Time: Time
User: N/A
Computer: Computer
Description:
The Microsoft Firewall service terminated unexpectedly. It has done this 1 time(s).

The following event is logged in the Application log:

Event Type: Error
Event Source: Microsoft Firewall
Event Category: None
Event ID: 14057
Date: Date
Time: Time
User: N/A
Computer: Computer
Description:
The Firewall service stopped because an application filter module c:\Program files\Microsoft ISA Server\w3filter.dll generated an exception code C0000005

CAUSE

This problem occurs because of an access violation in the W3filter.dll module.

RESOLUTION

To resolve this problem for ISA Server 2004, apply the hotfix rollup package that is described in Microsoft Knowledge Base article 943202. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
943202 Description of the ISA Server 2004 hotfix package: October 1, 2007
To resolve this problem for ISA Server 2006, apply the service pack described in Knowledge Base article 954258. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
954258 How to obtain the latest Internet Security and Acceleration (ISA) Server 2006 service pack

STATUS

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

MORE INFORMATION

For more information about how to install ISA Server hotfixes and updates, click the following article number to view the article in the Microsoft Knowledge Base:
885957 How to install ISA Server hotfixes and updates

Properties

Article ID: 943200 - Last Review: October 24, 2008 - Revision: 2.0
APPLIES TO
  • Microsoft Internet Security and Acceleration Server 2004 Enterprise Edition
  • Microsoft Internet Security and Acceleration Server 2004 Standard Edition
  • Microsoft Internet Security and Acceleration Server 2006 Standard Edition
  • Microsoft Internet Security and Acceleration Server 2006 Enterprise Edition
Keywords: 
kbexpertiseinter kbqfe KB943200

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