CREATE PROCEDURE dbo.uspSetSQLServerAuthenticationMode
(
@MixedMode BIT
)
AS
SET NOCOUNT ON
DECLARE @InstanceName NVARCHAR(1000),
@Key NVARCHAR(4000),
@NewLoginMode INT,
@OldLoginMode INT
EXEC master..xp_regread N'HKEY_LOCAL_MACHINE',
N'Software\Microsoft\Microsoft SQL Server\Instance Names\SQL\',
N'MSSQLSERVER',
@InstanceName OUTPUT
IF @@ERROR <> 0 OR @InstanceName IS NULL
BEGIN
RAISERROR('Could not read SQL Server instance name.', 18, 1)
RETURN -100
END
SET @Key = N'Software\Microsoft\Microsoft SQL Server\' + @InstanceName + N'\MSSQLServer\'
EXEC master..xp_regread N'HKEY_LOCAL_MACHINE',
@Key,
N'LoginMode',
@OldLoginMode OUTPUT
IF @@ERROR <> 0
BEGIN
RAISERROR('Could not read login mode for SQL Server instance %s.', 18, 1, @InstanceName)
RETURN -110
END
IF @MixedMode IS NULL
BEGIN
RAISERROR('No change to authentication mode was made. Login mode is %d.', 10, 1, @OldLoginMode)
RETURN -120
END
IF @MixedMode = 1
SET @NewLoginMode = 2
ELSE
SET @NewLoginMode = 1
EXEC master..xp_regwrite N'HKEY_LOCAL_MACHINE',
@Key,
N'LoginMode',
'REG_DWORD',
@NewLoginMode
IF @@ERROR <> 0
BEGIN
RAISERROR('Could not write login mode %d for SQL Server instance %s. Login mode is %d', 18, 1, @NewLoginMode, @InstanceName, @OldLoginMode)
RETURN -130
END
RAISERROR('Login mode is now %d for SQL Server instance %s. Login mode was %d before.', 10, 1, @NewLoginMode, @InstanceName, @OldLoginMode)
RETURN 0
)
