Article ID: 982820 - View products that this article applies to.
Consider the scenario:
This issue occurs because Forefront TMG 2010 creates the wrong principal name when Forefront TMG 2010 queries Forefront TMG 2010 Enterprise Management Server for the password of the user account.
This issue is resolved in Forefront TMG 2010 Service Pack 1 (SP1).
For more information about how to obtain Forefront TMG 2010 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/981324/ )List of problems that are fixed in Forefront Threat Management Gateway 2010 Service Pack 1
How to enable this fix after you install Forefront TMG 2010 SP1Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
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:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates