Microsoft has posted advice here:
http://msdn.microsoft.com/en-us/library/ms143692(v=SQL.100).aspx that says you can't use the 'Instance Rename' tool to change an clustered instance's name. They mention something called the Rename Instance dialog box.
Do they the just mean change the DNS name for the instance via the general tab on the name's properties dialog?
Could it be that simple, just like changing the name of any other clustered virtual machine?
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