below are the steps to renew the expired vdsm cert of ovirt node # To check CERT expired # openssl x509 -in /etc/pki/vdsm/certs/vdsmcert.pem -noout -dates 1. Backup vdsm folder # cd /etc/pki # mv vdsm vdsm.orig # mkdir vdsm ; chown vdsm:kvm vdsm # cd vdsm # mkdir libvirt-vnc certs keys libvirt-spice libvirt-migrate # chown vdsm:kvm libvirt-vnc certs keys libvirt-spice libvirt-migrate 2. Regenerate cert & keys # vdsm-tool configure --module certificates 3. Copy the cert to destination location chmod 440 /etc/pki/vdsm/keys/vdsmkey.pem chown root /etc/pki/vdsmcerts/*pem chmod 644 /etc/pki/vdsmcerts/*pem cp /etc/pki/vdsm/certs/cacert.pem /etc/pki/vdsm/libvirt-spice/ca-cert.pem cp /etc/pki/vdsm/keys/vdsmkey.pem /etc/pki/vdsm/libvirt-spice/server-key.pem cp /etc/pki/vdsm/certs/vdsmcert.pem /etc/pki/vdsm/libvirt-spice/server-cert.pem cp /etc/pki/vdsm/certs/cacert.pem /etc/pki/vdsm/libvirt-vnc/ca-cert.pem cp /etc/pki/vdsm/keys/vdsmkey.pem /etc/pki/vdsm/libvirt-vnc/server-key.pem cp /etc/pki/vdsm/certs/vdsmcert.pem /etc/pki/vdsm/libvirt-vnc/server-cert.pem cp -p /etc/pki/vdsm/certs/cacert.pem /etc/pki/vdsm/libvirt-migrate/ca-cert.pem cp -p /etc/pki/vdsm/keys/vdsmkey.pem /etc/pki/vdsm/libvirt-migrate/server-key.pem cp -p /etc/pki/vdsm/certs/vdsmcert.pem /etc/pki/vdsm/libvirt-migrate/server-cert.pem chown root:qemu /etc/pki/vdsm/libvirt-migrate/server-key.pem cp -p /etc/pki/vdsm.orig/keys/libvirt_password /etc/pki/vdsm/keys/ mv /etc/pki/libvirt/clientcert.pem /etc/pki/libvirt/clientcert.pem.orig mv /etc/pki/libvirt/private/clientkey.pem /etc/pki/libvirt/private/clientkey.pem.orig mv /etc/pki/CA/cacert.pem /etc/pki/CA/cacert.pem.orig cp -p /etc/pki/vdsm/certs/vdsmcert.pem /etc/pki/libvirt/clientcert.pem cp -p /etc/pki/vdsm/keys/vdsmkey.pem /etc/pki/libvirt/private/clientkey.pem cp -p /etc/pki/vdsm/certs/cacert.pem /etc/pki/CA/cacert.pem 3. cross check the backup folder /etc/pki/vdsm.orig vs /etc/pki/vdsm # refer to /etc/pki/vdsm.orig/*/ and set the correct owner & group permission in /etc/pki/vdsm/*/ 4. restart services # Make sure both services are up systemctl restart vdsmd libvirtd