This solution is works for me on HDP 3.1.4 Ambari 2.7   Thanks for sharing. ... View more

Hello AM47,   To handle space in user/group name, HTML encode it: %20 for space.   curl --insecure -u admin:<password> -H 'X-Requested-By: ambari' -X DELETE 'https://ambarihostname:8080/api/v1/groups/AB%20CD '   Regards. Rafa B. ... View more

Resolution Found - Please follow below steps 1. Install Ambari Agent 2. Check the status of ambari agent - Start it if not up 3. Try yum install ambari-server Thank you all for all the help. Thanks, Abhishek ... View more