Has anyone ever used Windows Server failover | SQL failover?

We run a SQL Failover cluster and it has to be the same.
All nodes in a failover cluster must be of the same platform, either 32-bit or 64-bit, and must run the same operating system edition and version. Also, 64-bit SQL Server editions must be installed on 64-bit hardware running the 64-bit versions of Windows operating systems. 

I was looking to see if anyone has exposure to this and if you can actually run failover with two disparate OS's, ie. Server 2008 R2 and Server 2012.
This topic first appeared in the Spiceworks Community

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