Using SQL Server 2008 R2, is it possible to install multiple named instances, and no default instance?

  • 2
    yes - you can -
    – RThomas
    Feb 2, 2012 at 20:23

2 Answers 2


Yes, it is. I have a dev server with multiple named instances (with multiple Sql Server versions) and no default instances.


Yes, however, if you name your instance MSSQLServer, that instance will become a default instance.

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