Monday 21 May 2007

To enable SQL Authentication for the default instance using T-SQL

EXEC xp_instance_regwrite N'HKEY_LOCAL_MACHINE', N'Software\Microsoft
\MSSQLServer\MSSQLServer', N'LoginMode', REG_DWORD, 2

or for a named instance:

EXEC xp_instance_regwrite N'HKEY_LOCAL_MACHINE', N'Software\Microsoft
\Microsoft SQL Server\\MSSQLServer\', N'LoginMode',
REG_DWORD, 2

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