DPM supports upgrading from DPM 2007 SP1 on a Windows Server 2008 x64-bit operating system to DPM 2010. If DPM 2007 SP1 is installed on a Windows Server 2003 x64-bit operating system, you must upgrade to Windows Server 2008 before upgrading to DPM 2010. For information about upgrading a DPM 2007 SP1 server to Windows Server 2008 see, Upgrading a DPM Server to Windows Server 2008 (http://go.microsoft.com/fwlink/?LinkId=147369).

Note the following before you perform the upgrade:

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