ISA Firewall Service Cannot Start with More Than 85 IP Addresses on the External Network Adapter

This article was previously published under Q318005
This article has been archived. It is offered "as is" and will no longer be updated.
The Internet Security and Acceleration (ISA) Server Firewall service may not start if you add more than 85 IP addresses to the external network adapter. When you start your computer after you do so, you may see an event that is similar to the following event:
Event Type: Error
Event Source: Service Control Manager
Event ID: 7031
The Microsoft Firewall service terminated unexpectedly. It has done this 1 time(s). The following corrective action will be taken in 0 milliseconds: No action.
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.NOTE: You must install ISA Server 2000 ServicePack 1 before you apply this hotfix. For additional information about how to obtain ISA Server 2000 ServicePack 1, click the article number below to view the article in the Microsoft Knowledge Base:
313139 How to Obtain the Latest Internet Security andAcceleration Server 2000 Service Pack
The English version of this fix should have the following file attributes or later:
   Date         Time      Version       Size     File name   --------------------------------------------------------   28-Feb-2002  09:21:34  3.0.1200.171  294,672  Wspsrv.exe				

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Article ID: 318005 - Last Review: 10/26/2013 10:33:00 - Revision: 3.0

Microsoft Internet Security and Acceleration Server 2000 Standard Edition

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