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

Article ID: 961882 – Last Review: January 8, 2009 – Revision: 1.0

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

Source: Microsoft Support

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Symptom

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

 

·         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

Cause

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

Resolution

To prevent this issue from occurring, follow these steps:

 

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

/950050 (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.

 

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

/950050 (http://support.microsoft.com/default.aspx?scid=kb;en-us;950050)

 

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

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

 

 

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APPLIES TO
  • Windows Server 2008 Standard
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Datacenter
Keywords: 
kbnomt kbrapidpub KB961882

 

Microsoft Knowledge Base Article

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