Hi,  I think that the major problem is that the each host have two hostname. When I configure multihomed cluster with AD integration I will: - assign one hostname for every host - internally the hostname resolve to internal IP, via hosts file or via internal DNS. So the  - from outside the hostname resolve to extenal IP, via external DNS   When Cloudera Manager creates the principal for the pairs <service>/<hostname> the hostname is consistent both for internal and external network. ... View more