Update for Windows Server 2003 / Itanium-based Systems/ x64 Edition (KB913109)

Install this update to resolve various problems with using the Single Instance Storage file system filter on a Windows computer under a heavy load. After you install this item, you may have to restart your computer.
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Update for Windows Server 2003 (KB913109)
Update for Windows Server x64 Edition (KB913109)
Update for Windows Server 2003 for Itanium-based Systems (KB913109)