The problem of Manage Ambari option resolved this is what I did ! Logged on the Ambari node where the MySQL database is running. Switch to the Ambari database and deleted the entry in adminprivlege with privilege id 9 I just guessed that id 1 was created first for the ambari Admin which was a correct assumption # ambari-server stop # ambari-server start But prior to deleting the above entry I run these 2 API's Delete a user using REST API curl -iv -u admin:admin -H "X-Requested-By: ambari"-X DELETE http://ambari-server:8080/api/v1/users/{user} Delete a group using REST API : curl -iv -u admin:admin -H "X-Requested-By: ambari"-X DELETE http://ambari-server:8080/api/v1/groups/{group} Hope that helps someone ... View more

@Jawed Ansari Please see the attached document . In the screenshot attached I am using HDP 2.3.2 but I had to tweak the network settings, you can see that the tutorials are available. Please let me know if that helped you ... View more