Article ID: 2748178 - View products that this article applies to.
Consider the following scenario:
In this scenario, you may be redirected to an error page instead of to the Outlook Web Access application.
After you install the security update, Forefront UAG performs a hash operation on the URL. This action triggers a redirect to an incorrect URL. The incorrect URL violates the built-in URL filtering rules and causes the redirect to the error page.
To resolve this problem, install the service pack that is described in the following Microsoft Knowledge Base article:
(http://support.microsoft.com/kb/2710791/ )Description of Service Pack 2 for Forefront Unified Access Gateway 2010
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about security update 2649261, click the following article number to view the article in the Microsoft Knowledge Base:
2649261For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2649261/ )MS12-026: Description of the security update for Microsoft Forefront Unified Access Gateway 2010 Service Pack 1: April 10, 2012
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
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