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FIX: A connectivity verifier that uses the "HTTP request" connection method may not detect when a web server comes back online in Forefront Threat Management Gateway 2010
Article ID: 2700806 - View products that this article applies to.
In Microsoft Forefront Threat Management Gateway 2010, you use the HTTP request connection method in a connectivity verifier to check web server availability. After the connectivity verifier determines that a web server is offline, the connectivity verifier may not always detect when the web server comes back online.
This problem may occur under certain timing conditions. When a web server goes offline, the connectivity verifier may enter a condition in which it cannot detect when the web server comes back online.
To resolve this issue, install the hotfix package that is described in the following Microsoft Knowledge Base article:
(http://support.microsoft.com/kb/2689195/ )Rollup 2 for Forefront Threat Management Gateway (TMG) 2010 Service Pack 2
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about Forefront Threat Management Gateway connectivity verifiers, go to the following Microsoft TechNet website:
Monitoring server connectivity
For 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/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 2700806 - Last Review: May 4, 2012 - Revision: 1.0