Article ID: 937841 - View products that this article applies to.
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Consider the following scenario:
For example, this problem occurs when the client computer accesses the following Web sites in the same session:
This problem occurs because ISA Server implements load balancing based on specific policy rules. If all requests from a client session are enabled by the same policy rule, they reach the same Web server. However, if requests are enabled by different policy rules, requests from the same session may reach different Web servers.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about a similar problem, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/940242/ )ISA Server 2006 forwards requests to an incorrect Web server when a client computer accesses Web sites that have different host names in the same session
Article ID: 937841 - Last Review: January 15, 2015 - Revision: 1.0