The server installation in most cases returns response code 0 no matter what happens except for really severe errors. In this case when we try to uninstall the middle replica of a line topology, it fails, notifies us that we should use '--ignore-topology-disconnect', but returns 0 https://fedorahosted.org/freeipa/ticket/6300 Reviewed-By: Martin Basti <mbasti@redhat.com>