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You cannot run a Windows 8-based or Windows Server 2012-based virtual machine in Windows Server 2008 or in Windows Server 2008 R2Article ID: 2744129 - View products that this article applies to. On This PageSymptomsAssume that you have the Hyper-V server role installed on a computer that is running Windows Server 2008 or Windows Server 2008 R2. You create a virtual machine that is running Windows 8 or Windows Server 2012 on the computer. However, you experience one or more of the following issues:
CauseThe issue occurs because the Hypervisor does not handle the one-shot synthetic timer correctly. Note The one-shot synthetic timer is also known as the aperiodic timer. ResolutionUpdate informationHow to obtain this updateMicrosoft UpdateThis update is available from the following Microsoft Update website:http://update.microsoft.com
(http://update.microsoft.com)
Microsoft Download CenterThe following files are available for download from the Microsoft Download Center:Collapse this table
119591
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
(http://support.microsoft.com/kb/119591/
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How to obtain Microsoft support files from online services
PrerequisitesTo apply this update, you must be running one of the following operation systems. Additionally, you must have the Hyper-V server role installed.
For more information about how to obtain a Windows Vista or Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base: 968849
For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
(https://vkbexternal.partners.extranet.microsoft.com/VKbWebService/ViewContent.aspx?PortalId=1&scid=kb;en-US;968849)
How to obtain the latest service pack for Windows Vista and for Windows Server 2008976932
(http://support.microsoft.com/kb/976932/
)
Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2
Registry informationTo apply this update, you do not have to make any changes to the registry.Restart requirementYou must restart the computer after you apply this update.Update replacement informationThis update replaces the hotfix that is described in Microsoft Knowledge Base (KB) article 2526776. For more information about KB article 2526776, click the following article number to view the article in the Microsoft Knowledge Base:2526776
(http://support.microsoft.com/kb/2526776/
)
An update that enables Windows 8 or Windows Server 2012 to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2 StatusMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. More informationFor more information about the issue that is described in this article, click the following article number to view the article in the Microsoft Knowledge Base: 2526776
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2526776/
)
An update that enables Windows 8 or Windows Server 2012 to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2 824684
(http://support.microsoft.com/kb/824684/
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Description of the standard terminology that is used to describe Microsoft software updates
PropertiesArticle ID: 2744129 - Last Review: October 9, 2012 - Revision: 3.0 Applies to
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