There are 3 pieces that are required to restore and make it work (of course consider if any kernel modules need to re-enabled and if you need to change the IPs):
After that you should be able to see the VE in vzlist -a
You should then be able to start it normally.
openvz, manually, restore, vps, backupthere, kernel, modules, enabled, ips, vz, veid, directory, etc, conf, mkdir, ve, vzlist,