Hi AbdoM, Seems like your cloudbreak instance can't reach your Openstack. Might be incorrect network settings. Could try to telnet to your openstack from the machine where Cloudbreak is deployed?  telnet openstack.yourdomain.com 5000 Also there might be some clues in the cloudbreak logs, please also check: docker logs cbreak_cloudbreak_1 docker logs cbreak_cloudbreak_1 Laszlo ... View more