Article ID: 945524 - View products that this article applies to.
In Microsoft Internet Security and Acceleration (ISA) Server 2006, you publish multiple Web servers in a Web farm by using the Web Publishing Load Balancing feature. In this scenario, some published Web servers may be incorrectly detected as unavailable at random times. Over time, ISA Server may stop processing incoming requests for the publishing rule that uses this Web farm.
When this problem occurs, the following alerts may be logged:
This problem occurs because the Web Publishing Load Balancing feature cannot create the required thread that is used to update the connection status from the connectivity verifier.
To resolve this problem, apply the hotfix package that is described in the following Microsoft Knowledge Base article:
(http://support.microsoft.com/kb/945821/ )Description of the ISA Server 2006 hotfix package: December 5, 2007
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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