Sql-server – Assigning a logical name to a sql instance

instancesql server

How can we assign a logical name to a sql instance please? We would need to as to property identify messages coming through from the server.

Update

Thanks much for your replies. Yes it is for the instance name. Is it possible to assign one once the installation is already done? We now have two instances in this box, the other is server_name\inst2008. And it is the first instance that we want to name properly – which is now "local". I've considered Alias but I want to know another option – if there is. This instance is a SQL 2000 by the way.

Sorry just to clarify this topic…
We have a server that for some reasons doesn't have a logical name – it doesn't have an entry in the sys.servers table for the local server (server_id = 0).

With some research and testing I was able to do this using sp_dropserver and sp_addserver commands.

Best Answer

What I can think of is a server alias.

In SQL Server Configuration Manager, expand SQL Native Client Configuration, right-click Aliases, and then click New Alias.

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SQL Server 2008 R2 – Issues After Computer Name Change

When you added the new server name using sp_addserver, did you remember to include the "local" designation. It is that tag that updates the metadata for @@SERVERNAME. More information.

sp_addserver 'servername', local

SQL Server 2008 R2 – Unable to Change Server Name After VM Clone

You need to check both sys.remote_logins and sys.linked_logins. You should be able to build a script dynamically to drop the set you find:

DECLARE @sql NVARCHAR(MAX) = N'';

SELECT @sql += N'EXEC sys.sp_droplinkedsrvlogin @s, N''' + remote_name + N''''
  FROM sys.linked_logins
  WHERE server_id = 0 AND remote_name IS NOT NULL;

SELECT @sql += N'EXEC sys.sp_dropremotelogin @s, N''' + remote_name + N''''
  FROM sys.remote_logins
  WHERE server_id = 0 AND remote_name IS NOT NULL;

PRINT @sql; -- spot check will only show first 8K of command

DECLARE @s NVARCHAR(512) = N'old server name';
--EXEC sys.sp_executesql @sql, N'@s NVARCHAR(512)', N'.\SQL2014';

Best Answer

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SQL Server 2008 R2 – Issues After Computer Name Change

SQL Server 2008 R2 – Unable to Change Server Name After VM Clone

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