Hyper-V Role Not Migrated When Upgrading from Standard to Enterprise

Source: Microsoft Support

RAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION.

After upgrading a Windows Server 2008 Standard system with the Hyper-v role installed to Windows Server 2008 Enterprise Edition or Windows Server 2008 Datacenter edition you may encounter some of the following issues

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��������� Hyper-V does not appear as installed role

��������� Hyper-V Manager will not display any configured virtual machines

��������� Any previous virtual machine configuration files stored in C:\ProgramData\Microsoft\Windows\Hyper-v\Virtual Machine are missing

��������� Hyper-V Image Management service does not start or is missing

��������� Hyper-V Networking Management Service does not start or is missing

��������� Hyper-V Virtual Machine Management service does not start or is missing

Hyper-V role is not migrated when upgrading from one version of Windows Server 2008 to another version.

To prevent this issue from occurring, follow these steps:

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1.������ In Hyper-V manager Export all virtual machines.

2.������ Using Server Manager remove the Hyper-V role.

3.������ Run upgrade.�

�For more information about the update package see the following knowledge base article:

950050����� Description of the update for the release version of the Hyper-V technology for Windows Server 2008

http://support.microsoft.com/default.aspx?scid=kb;EN-US;950050

4.������ Reinstall the Hyper-V update.

5.������ In Server Manager add the Hyper-V role.

6.������ Import your virtual machines.

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To resolve this issue after doing an upgrade, follow these steps:

1.������ Using Server Manager remove the Hyper-V role.

2.������ Reinstall the Hyper-V update.

�For more information about the update package see the following knowledge base article:

950050����� Description of the update for the release version of the Hyper-V technology for Windows Server 2008

http://support.microsoft.com/default.aspx?scid=kb;EN-US;950050

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3.������ In Server Manager add the Hyper-V role.

4.������ Recreate the virtual machines using the existing VHD files.

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