hi @Jay Kumar SenSharma, I Could not see option for FreeIPA even after executing above command successfully. I am Running Sanbox 2.6 ,===================== [root@sandbox-host ~]# curl -u raj_ops:raj_ops -i -H 'X-Requested-By: ambari' -X POST -d '{"user-pref-admin-supports":"{\"disableHostCheckOnAddHostWizard\":false,\"preUpgradeCheck\":true,\"displayOlderVersions\":false,\"autoRollbackHA\":false,\"alwaysEnableManagedMySQLForHive\":false,\"preKerberizeCheck\":false,\"customizeAgentUserAccount\":false,\"installGanglia\":false,\"opsDuringRollingUpgrade\":false,\"customizedWidgetLayout\":false,\"showPageLoadTime\":false,\"skipComponentStartAfterInstall\":false,\"preInstallChecks\":false,\"serviceAutoStart\":true,\"logSearch\":true,\"redhatSatellite\":false,\"enableIpa\":true,\"addingNewRepository\":false,\"kerberosStackAdvisor\":true,\"logCountVizualization\":false,\"enabledWizardForHostOrderedUpgrade\":true,\"manageJournalNode\":true}"}' http://192.168.1.13:8080/api/v1/persist HTTP/1.1 202 Accepted X-Frame-Options: DENY X-XSS-Protection: 1; mode=block X-Content-Type-Options: nosniff Cache-Control: no-store Pragma: no-cache Set-Cookie: AMBARISESSIONID=19wiow0d4gtiqzmk5vz5n5nx;Path=/;HttpOnly Expires: Thu, 01 Jan 1970 00:00:00 GMT User: raj_ops Content-Type: text/plain Content-Length: 0 ======================= What is missing ? Thanks ... View more