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0x80131500 error and IsaManagedCtrl does not start in Forefront TMG 2010 after you install Exchange 2010 SP1 if the Email Protection feature is enabled
Article ID: 2454850 - View products that this article applies to.
Consider the following scenario:
This issue occurs because TMG depends on the anti-spam cmdlets that are removed by Exchange Server 2010 SP1. Therefore, TMG Managed Control service cannot start.
The TMG Managed Control (IsaManagedCtrl) service uses the Get-AntispamUpdates cmdlets to generate snapshots of the Forefront Protection for Exchange (FPE) configuration. Additionally, the service uses the cmdlets to show the Update status on the Update Center Properties page of the Forefront TMG Management console.
Update informationTo resolve this issue, install the software update that is described in the following Microsoft Knowledge Base (KB) article:
(http://support.microsoft.com/kb/2433623/ )Software Update 2 for Microsoft Forefront Threat Management Gateway (TMG) 2010 Service Pack 1
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
Article ID: 2454850 - Last Review: December 3, 2010 - Revision: 3.0