1. The Kerberos database in this context is located at the host specified in the data source connection. 2. This is the host that contains the tickets. Also - this ticket is not necessarily the ticket that you are connecting with, instead it is the ticket-granting ticket for the overall service. 3. No official documentation exists. In this case the error occurred because the Host FQDN was not specifying the server that contained the authorization and the service name "hive" was needed. ... View more