ISA Firewall Service Cannot Start with More Than 85 IP Addresses on the External Network Adapter ------------------------------------------------------------------------ -------- The information in this article applies to: Microsoft Internet Security and Acceleration Server versions 2000 , SP1 ------------------------------------------------------------------------ -------- SYMPTOMS 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 Description: 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. RESOLUTION A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem. This fix may receive additional testing at a later time, to further ensure product quality. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Internet Security and Acceleration Server 2000 service pack that contains this fix. To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, please go to the following address on the World Wide Web: http://support.microsoft.com/directory/overview.asp NOTE : In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal support costs will apply to additional support questions and issues that do not qualify for the specific update in question. NOTE : You must install ISA Server 2000 Service Pack 1 before you apply this hotfix. For additional information about how to obtain ISA Server 2000 Service Pack 1, click the article number below to view the article in the Microsoft Knowledge Base: Q313139 How to Obtain the Latest Internet Security and Acceleration 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 STATUS Microsoft has confirmed this to be a problem in the Microsoft products that are listed at the beginning of this article. ------------------------------------------------------------------------ -------- Additional query words : Keywords : kbenv kberrmsg kbnetwork kbtool kbISAServ2000preSP2fix Issue type : kbbug