GLPSRV028E
Mapping from Kerberos principal to LDAP DN failed because more than one
krbPrincipalName is found.
Explanation
The mapping from Kerberos principal to LDAP DN failed because
more than one krbPrincipalName is found in the database.
User response
Make sure there is only one LDAP DN that can be mapped from the
Kerberos principal.