SQL Server Support Policy for Failover Clustering and Virtualization gets an update…

One fairly controversial aspect to this policy was our support (actually non-support is a better word) for “guest” failover clustering. We didn’t support installing SQL Server failover clustering in a virtual machine. Well this policy is now changed effective immediately as updated in the article.

The article now contains the following new wording on this topic:

  • Guest Failover Clustering is supported for SQL Server 2005 and SQL Server 2008 in a virtual machine for Windows Server 2008 with Hyper-V, Microsoft Hyper-V Server 2008, and SVVP certified configurations provided both of the following requirements are met:
    • The Operating System running in the virtual machine (the “Guest Operating System”) is Windows Server 2008 or higher
    • The virtualization environment meets the requirements of Windows 2008 Failover Clustering as documented at The Microsoft Support Policy for Windows Server 2008 Failover Clusters.

    Guest Failover Clustering is when you create a SQL Server failover cluster inside a virtual machine where the nodes are running as a virtual machine. A non-SVVP configuration that meets these requirements will receive support from Microsoft CSS per the policies documented in

    897615 (http://support.microsoft.com/kb/897615/ ) Support policy for Microsoft software running in non-Microsoft hardware virtualization software

    • Full Article – http://blogs.msdn.com/psssql/archive/2009/05/19/sql-server-support-policy-for-failover-clustering-and-virtualization-gets-an-update.aspx

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