Article ID: 979038 - Last Review: September 9, 2010 - Revision: 3.0

Memory leak in the Microsoft.Exchange.Monitoring.exe process when you run the Test-OwaConnectivity cmdlet or the Test-ActiveSyncConnectivity cmdlet in Exchange Management Shell on an Exchange Server 2007 server

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SYMPTOMS

You can run the Test-OwaConnectivity cmdlet and the Test-ActiveSyncConnectivity cmdlet in Exchange Management Shell on a Microsoft Exchange Server 2007 server. However, this operation may cause a memory leak in the Microsoft.Exchange.Monitoring.exe process if the connections time out. Additionally, the Exchange Server 2007 server meets multiple issues, such as has a slow response.

Note You can check the Virtual Bytes counter of the Microsoft.Exchange.Monitoring.exe process in Performance Monitor. The Virtual Bytes counter increases to 1 GB or bigger.
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CAUSE

This problem occurs because an asynchronous HTTP Request is called by the httpWebRequest.BeginGetResponse() method in the Test-OwaConnectivity cmdlet and in the Test-ActiveSyncConnectivity cmdlet. However, if the connections time out, the httpWebRequest.EndGetResponse() method does not call to release memory. Therefore, a memory leak occurs.
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RESOLUTION

To resolve this problem, install the following update rollup:
2279665  (http://support.microsoft.com/kb/2279665/ ) Description of Update Rollup 1 for Exchange Server 2007 Service Pack 3
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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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MORE INFORMATION

For more information about the Test-OwaConnectivity cmdlet, visit the following Microsoft website:
General information about Test-OwaConnectivity cmdlet (http://technet.microsoft.com/en-us/library/aa997682(EXCHG.80).aspx])
For more information about the Test-ActiveSyncConnectivity cmdlet, visit the following Microsoft website:
General information about Test-ActiveSyncConnectivity cmdlet (http://technet.microsoft.com/en-us/library/bb123540(EXCHG.80).aspx)
For more information about the HttpWebRequest methods, visit the following Microsoft website:
General information about the HttpWebRequest methods (http://msdn.microsoft.com/en-us/library/system.net.httpwebrequest_methods(v=VS.71).aspx)

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APPLIES TO
  • Microsoft Exchange Server 2007 Service Pack 3
  • Microsoft Exchange Server 2007 Enterprise Edition
  • Microsoft Exchange Server 2007 Standard Edition
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Keywords: 
kbfix kbsurveynew kbqfe kbexpertiseinter kbhotfixrollup KB979038
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