@Farrukh Munir If you want to enable HA for different services (Fir example "Enable NameNode HA") then in that case you can try the following: Ambaru UI --> HDFS --> "Service Actions" (Drop Down) --> "Enable Name Node HA" Please See: https://docs.hortonworks.com/HDPDocuments/Ambari-2.4.1.0/bk_ambari-user-guide/content/how_to_configure_namenode_high_availability.html Similarly, you can enable the HA for other services as well like "Enable ResourceManager HA") https://docs.hortonworks.com/HDPDocuments/Ambari-2.4.0.1/bk_ambari-user-guide/content/how_to_configure_resourcemanager_high_availability.html . *************** *************** *************** . NOTE: Following Information is regarding Enabling HA for Ambari Itself. Unfortunately currently there is no HA feature available for Ambari yet. However you can refer to the following JIRAs where the discussion is going on in this regard: https://issues.apache.org/jira/browse/AMBARI-17126 https://issues.apache.org/jira/browse/AMBARI-7896 - Following link also has some good information regarding the same: https://community.hortonworks.com/questions/402/how-to-setup-high-availability-for-ambari-server.html . ... View more