@backlashhardik The manual process means install agent beforehand on all of the hosts which you are going to add. Make sure you have local repo or internet access. sudo yum install cloudera-manager-agent cloudera-manager-daemons If agent is installed then reinstall to avoid any issue once again. sudo yum reinstall cloudera-manager-agent cloudera-manager-daemons Then you have to modify the /etc/cloudera-scm-agent/config.ini file and post this to CM server, also if TLS is enabled make necessary changes. [General] # Hostname of the CM server. server_host=host-xx.xxx.xxx.cloudera.com Then go to the CM and try to add hosts from there. Since agent is already installed this should not take much time and you can start agent then and see if that helps.
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