How do I re register SPN for SQL Server?

How do I re register SPN for SQL Server?

Automatic SPN Registration

  1. On the Domain Controller machine, start Active Directory Users and Computers.
  2. Select View > Advanced.
  3. Under Computers, locate the SQL Server computer, and then right-click and select Properties.
  4. Select the Security tab and click Advanced.

What is the command to set the SPN?

To reset the default SPN values, use the setspn -r hostname command at a command prompt, where hostname is the actual host name of the computer object that you want to update. For example, to reset the SPNs of a computer named server2, type setspn -r server2, and then press ENTER.

How do I create a SPN record?

SPNs are registered for built-in accounts automatically. However, when you run a service under a domain user account, you must manually register the SPN for the account you want to use. To create an SPN, you can use the SetSPN command line utility.

What is SQL SPN?

SPNs are used by the authentication protocol to determine the account in which a SQL Server instance runs. If the instance account is known, Kerberos authentication can be used to provide mutual authentication by the client and server.

How can I tell if SPN is registered in SQL Server?

Verify SPN has been successfully registered Using SETSPN Command Line Utility. In Command Line enter the following command: setspn -L and press enter. Next, you need to look for registered ServicePrincipalName to ensure that a valid SPN has been created for the SQL Server.

How do I find my server SPN?

To view SPNs (Service Principal Names) registered for a security principal, you can use the Setspn command from the Windows 2003 Support Tools, using the -l parameter and the name of the server.

How do I know if my SPN is correct?

What is SPN registration?

A service principal name (SPN) is a unique identifier of a service instance. SPNs are used by Kerberos authentication to associate a service instance with a service logon account. This allows a client application to request that the service authenticate an account even if the client does not have the account name.