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On a computer that has Microsoft Forefront Threat Management Gateway (TMG) 2010 Service Pack 1 (SP1) and that has hotfix 980311 installed, you receive the following error when you try to create a report by using the Forefront TMG Management console:

"HRESULT=80040E57 DB_E_DATAOVERFLOW" dailysum job failing error

Additionally, TMG does not create reports after a long active session.

Note When Forefront TMG logs periodic records for a long active session, this issue occurs.


This issue occurs because Forefront TMG logs incorrect values for the bytesSent and bytesRecv attributes after 15 minutes of an active session.


Update information

To resolve this issue, install the software update that is described in the following Microsoft Knowledge Base (KB) article:

2288910 Software Update 1 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.

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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