Home > Hyper-V, Virtualization, Windows Server 2008 > SQL Server Support Policy for Virtualization and Failover Clustering updated

SQL Server Support Policy for Virtualization and Failover Clustering updated

Another great news from Microsoft, SQL Support policy is updated. SQL was supported on VM but now building SQL Failover Cluster on VMs is supported. Check this on CSS SQL Server Engineers

Support policy for Microsoft SQL Server products that are running in a hardware virtualization environment

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.

  • SQL Server 2005 and SQL Server 2008 are supported.
  • We only support Windows Server 2008 or higher as the operating system running inside the virtual machine (known as the “guest” operating system). Because of this requirement, SQL Server 2000 and earlier SQL Server releases are not supported.
  • The virtualization vendor must meet the requirements for failover clustering as documented in the following KB article: The Microsoft Support Policy for Windows Server 2008 Failover Clusters
  • Non-SVVP configurations that meet all of these requirements still can get some support from Microsoft per http://support.microsoft.com/kb/897615.
  • The article on Windows 2008 Failover Clustering has 2 requirements:

    • All hardware and software components must be meet “Certified for Windows Server 2008” logo requirements.
    • The configuration must pass the Validate test in the Failover Clusters Management snap-in. This is run inside the virtual machine.
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