Service Principal Name Attribute ServicePrincipalName (SPN) Purpose The service principal name to be used by driver for Kerberos authentication. Valid Values servicePrincipalName where: servicePrincipalName is a valid service principal name. If unspecified, the value of the Network Address option is used as the service principal name. If Authentication Method is set to 0 or 1, the value of the Service Principal Name option is ignored. Default None GUI Tab Data Source Configuration through a GUI