kerberos Could not configure server because SASL configuration did not allow the ZooKeeper serv

[#1]

You most likely have a mismatch between the kerberos principal defined on the KDC and the keytab on you cluster nodes.  Give this a try and it should fix you right up...

- Stop all services, including the Cloudera Management Service.

- Go to:  Administration > Security > Kerberos Credentials

- Select all Principals

- Click "Regenerate Selected"

- Restart all services and hope for 'green lights' ;-)

[#2]

Above solution works for me while enabling kerberos