SQL Server Error Msg 26067 – The SQL Server Network Interface library could not register the Service Principal Name (SPN) [ %ls ] for the SQL Server service. Windows return code: %#x, state: %d. Failure to register a SPN might cause integrated authentication to use NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies and if the SPN has not been manually registered.

In this blog post, let’s learn about the error message “26067 – The SQL Server Network Interface library could not register the Service Principal Name (SPN) [ %ls ] for the SQL Server service. Windows return code: %#x, state: %d. Failure to register a SPN might cause integrated authentication to use NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies and if the SPN has not been manually registered.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.

SQL Server Error Message

26067 – The SQL Server Network Interface library could not register the Service Principal Name (SPN) [ %ls ] for the SQL Server service. Windows return code: %#x, state: %d. Failure to register a SPN might cause integrated authentication to use NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies and if the SPN has not been manually registered.

Reason for the Error

To be update soon…

Solution

To be update soon…