- A user logs on to Teradata Vantage with a domain username that matches a Vantage username, and a domain password. The default mechanism, or the mechanism named in the logon, defines the external agent that authenticates the user.Sign-On As using Kerberos authentication (KRB5 or SPNEGO mechanism) is usable only from Windows clients.
- The authenticating agent forwards the user credentials to Vantage.
- Vantage authorizes privileges associated with the matching username.
You must create Vantage users and grant them database privileges before the system can authenticate and authorize them. See Creating Users and Granting Privileges.