use:
USE sql_song1;
GO
exec sp_change_users_login 'Update_One', 'leon', 'leon';
go
This solution assusmes you created a SQL account named leon within the SQL server, not the OS!
The other solution sp_revlogin mentioned by me and rrjeagan17 has to do with internal SQL Sid. This stays the same between both servers when migrating accounts utilizing sp_help_revlogin. Lookat:
http://www.experts-exchange.com/Microsoft/Development/MS-SQL-Server/SQL-Server-2005/Q_25193164.htmlRegards Marten