Article ID: 2452980 - View products that this article applies to.
The upload speed through Microsoft Forefront Threat Management Gateway (TMG) 2010 is very slow on a high speed Internet connection.
This issue occurs because the data buffer of Forefront TMG 2010 is too small to handle a high speed Internet connection.
Note You can configure the data buffer by changing the value of the following two registry subkeys:
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/2475183/ )Software Update 1 rollup 2 for 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:
824684If you do not configure the following registry subkeys, and if you do not install this hotfix, the default value of the subkeys is 4. After you apply this hotfix, the default value for these subkeys is 16.
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
Note If you increase the value of TcpBufferSize, the memory consumption of Forefront TMG 2010 increases.
Set fpc = CreateObject("FPC.Root") ' fpc.ConnectToConfigurationStorageServer "CSSNAME", "USERNAME", "DOMAIN", "PASSWORD" Set arr = fpc.GetContainingArray Set policy = arr.ArrayPolicy Set LLS = policy.LowLevelSettings TcpBufferSize_before = LLS.TcpBufferSize LLS.TcpBufferSize = WScript.Arguments(0) WScript.Echo "Setting TcpBufferSize to " & CStr(LLS.TcpBufferSize) & _ ", previous value: " & CStr(TcpBufferSize_before) & _ ", Array name: " & arr.Name policy.Save WScript.Echo "Saved, waiting for array to reload..." arr.WaitForReload WScript.Echo "Done."
To use this script, follow these steps:
Article ID: 2452980 - Last Review: December 24, 2010 - Revision: 1.0