The engine update process is discarded if a download takes more than 5 minutes in Forefront Security for Exchange Server

In Microsoft Forefront Security for Exchange Server, the engine update process is discarded if a download takes more than 5 minutes. This problem occurs when the GetEngineFiles.exe process times out while scan jobs are being disabled.

To resolve this problem, you must install Hotfix Rollup 3 for Forefront Security for Exchange Server Service Pack 1. For more information, click the following article number to view the article in the Microsoft Knowledge Base: Note Microsoft Forefront Security for Exchange Server Service Pack 1 must be installed before you install this hotfix rollup.

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