<<< Update>>> as I try to add node. I am able to add fingerprint .. and below is output from engine [root@ovirte01 ~]# tail -f /var/log/ovirt-engine/server.log ... 2021-03-08 10:23:21,542-05 WARNING [javax.persistence.spi] (default task-6) javax.persistence.spi::No valid providers found. 2021-03-08 10:23:21,719-05 INFO [org.apache.sshd.common.io.DefaultIoServiceFactoryFactory] (default task-6) No detected/configured IoServiceFactoryFactory using Nio2ServiceFactoryFactory 2021-03-08 10:23:21,744-05 INFO [org.apache.sshd.client.config.hosts.DefaultConfigFileHostEntryResolver] (default task-6) resolveEffectiveResolver(dummy@thor.penguinpages.local:22) loaded 0 entries from /var/lib/ovirt-engine/.ssh/config 2021-03-08 10:23:30,737-05 WARN [org.apache.sshd.client.session.ClientConnectionService] (sshd-SshClient[4f22a453]-nio2-thread-3) globalRequest(ClientConnectionService[ClientSessionImpl[root@thor.penguinpages.local/172.16.100.101:22]])[hostkeys-00@openssh.com, want-reply=false] failed (SshException) to process: EdDSA provider not supported Does anyone know where else logs would be for engine failure to add node?