Changing the name of your SQL server

My company recently changed their standard naming conventions for computers, so yesterday I had to rename my workstation. Usually this isn’t a big deal, except that I’m running locally a default instance of SQL 2005 and a named instance of SQL 2008.Again, not a big deal since this is just my local playground. But I wanted to sync up the names.

Let’s say that my laptop was named “CHICAGO”. That makes the default instance also “CHICAGO'”, and my named instance “CHICAGO\KATMAI”. Now my laptop name changed to “NEWCHICAGO”. My SQL instances stay as “CHICAGO” and “CHICAGO\KATMAI”. How do you change them to match the new computer name?

Couldn’t be simpler, just execute two procedures. For the default instance.

USE master;
GO

EXEC sp_dropserver 'CHICAGO';
GO

EXEC sp_addserver 'NEWCHICAGO', local;
GO

It’s the same for a named instance. Just add the instance name.

USE master;
GO

EXEC sp_dropserver 'CHICAGO\KATMAI';
GO

EXEC sp_addserver 'NEWCHICAGO\KATMAI', local;
GO
Then, just restart the SQL service and you should see the name change.

Read more: SQLServerPedia

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