December 25, 2013

Tips to alter login in sql server for database

1. Enabling a disabled log in

The following example enables the login  for user name is TestUser5.

ALTER LOGIN TestUser5 ENABLE;

2. Changing the password of a login for User TestUser5

The following example changes the password of login TestUser5 to a strong password.

ALTER LOGIN TestUser5 WITH PASSWORD = '<enterStrongPasswordHere>';

3. Changing the name of a login  for user TestUser5

The following example changes the name of login TestUser5 to Abc2.

ALTER LOGIN TestUser5 WITH NAME = Abc2;

4. Mapping a login to a credential

The following example maps the login Abc2 to the credential Custodian04.

ALTER LOGIN Abc2 WITH CREDENTIAL = abc04;

5. Mapping a login to an Extensible Key Management credential

The following example maps the login TestUser5 to the EKM credential EKMProvider1.

ALTER LOGIN TestUser5

ADD CREDENTIAL EKMProvider1;

GO

6. Unlocking a login for user TestUser5

To unlock a SQL Server login, execute the following statement, replacing **** with the desired account password.

ALTER LOGIN [TestUser5] WITH PASSWORD = '12345' UNLOCK ;

GO

7.To unlock a login for user TestUser5 without changing the password, turn the check policy off and then on again .

ALTER LOGIN [TestUser5] WITH CHECK_POLICY = OFF;

ALTER LOGIN [TestUser5] WITH CHECK_POLICY = ON;

GO

8. Changing the password of a login using HASHED

The following example changes the password of the TestUser login to an already hashed value.

ALTER LOGIN TestUser WITH

PASSWORD = 0x01000DFD334367C60DDR41ABDE4CF700A985A13D7DFD3D6B45B3430 HASHED ;

GO

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