FIX: HTTP 500 or "The page cannot be displayed" error message when you try to access the Forefront Unified Access Gateway 2010 portal or a published application
Consider the following scenario:
- You publish a trunk on a server that is running Microsoft Forefront Unified Access Gateway (UAG) 2010.
- You access the Forefront UAG portal or a published application.
In this scenario, you may intermittently receive an HTTP 500 error message or the following error message:
The page cannot be displayed.
This issue occurs because of a failure by the HTML content parser in Forefront UAG 2010 to parse certain content.
To resolve this problem, install the service pack that is described in the following Microsoft Knowledge Base article:
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 software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 2748183 - Last Review: 12/07/2012 08:06:00 - Revision: 1.0
Microsoft Forefront Unified Access Gateway 2010 Service Pack 1
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