Hyper-V: Use RAM that provides error correction

Applies To: Windows Server 2008 R2, Windows Server 2012

This topic is intended to address a specific issue identified by a Best Practices Analyzer scan. You should apply the information in this topic only to computers that have had the Hyper-V Best Practices Analyzer run against them and are experiencing the issue addressed by this topic. For more information about best practices and scans, see Best Practices Analyzer.

Operating System

Windows Server 2012 or Windows Server 2008 R2








An update is available for Hyper-V Best Practices Analyzer (BPA) for Windows Server 2008 R2 and Microsoft Hyper-V Server 2008 R2. The update is appropriate for servers that run Hyper-V in Windows Server 2008 R2 with Service Pack 1 (SP1) and that have the Hyper-V BPA installed. The update includes addresses issues between the Hyper-V BPA and new features that were introduced in SP1. This update also fixes several other issues in BPA. For more information, see article 2485986 in the Microsoft Knowledge Base.


The RAM in use on this computer is not error-correcting (ECC) RAM.


Microsoft does not support Windows Server 2008 R2 on computers without error correcting RAM.


Verify the server is listed in the Windows Server catalog and qualified for Hyper-V.

To verify the server is listed and qualified for Hyper-V, see the Windows Server catalog (http://go.microsoft.com/fwlink/?LinkId=111228), and then search for “Hyper-V” as an additional qualification. If this computer is not qualified for Hyper-V and you want to replace it with a computer that is qualified for Hyper-V, you have two options for reestablishing the current virtualization environment on the new computer. You can: