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You receive an error message when you try to upgrade the WSv preview build installed on Windows Server 2008 RC0 or on Windows Server 2008 RC1 to the Windows Server 2008 RC1 build with Hyper-V beta or to the release version of Windows Server 2008
Article ID: 939853 - View products that this article applies to.
Consider the following scenario:
Uninstall the following windows components and features:
Microsoft Windows virtualization – Please read Microsoft Knowledge Base article: 939853
This problem occurs because Windows Server 2008 cannot be upgraded if the Windows Server virtualization preview build is installed. You must perform a clean install.
To upgrade to the Windows Server 2008 RC1 build with Hyper-V beta or to the release version of Windows Server 2008, follow these steps:
For more information about Hyper-V, visit the following Microsoft Web site: