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Supported Upgrade Methods for Hyper-V

Microsoft recently released a KB that outlines the methods that you can use to upgrade a Windows Server 2008, that has the Hyper-V role installed, to Windows Server 2008 R2.

The following methods are discussed in the KB:

  1. Perform an in-place upgrade of the parent partition from Windows Server 2008 to Windows Server 2008 R2.
  2. Export a virtual machine from a Windows Server 2008-based computer that has Hyper-V enabled, and then import it to a server that has Windows Server 2008 R2 with Hyper-V enabled
  3. Using backup software that leverages the Hyper-V VSS Writer, back up a virtual machine that is running on Windows Server 2008, and restore it to Windows Server 2008 R2

As you may have heard, Windows Server 2008 R2 introduces a number of important changes and new features for Hyper-V, so if you are planning to upgrade then you should be familiar with this KB. The KB can be found here: http://support.microsoft.com/kb/957256.