DB2® Kerberos authentication is compatible with IBM® System z®, IBM i, and Windows systems.
To connect to a database on an IBM System z or IBM i system, you must catalog the database by using the AUTHENTICATION and KERBEROS TARGET PRINCIPAL parameters of the CATALOG DATABASE command.
Neither IBM System z nor IBM i operating systems support the mutual authentication security feature of Kerberos.
When you are using Kerberos on Windows operating systems, be aware of the following issues:
Furthermore, in all cases, the DB2 administration log or the db2diag log files contain Logon failed or Logon denied messages.