Hi, I make a OVA by "ovirt appliance", then import my ovirt cluster ,but here is trouble ovirt-engine 4.2.0 2018-06-26 15:55:51,032+0800 INFO (jsonrpc/3) [api.host] FINISH getExternalVmFromOva error=Error parsing ovf information: no memory size from=::ffff:192.168.100.48,37288, flow_id=29946b38-c3fc-4ade-80c6-4f304fa0faa7 (api:50) 2018-06-26 15:55:51,033+0800 ERROR (jsonrpc/3) [jsonrpc.JsonRpcServer] Internal server error (__init__:611) Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 606, in _handle_request res = method(**params) File "/usr/lib/python2.7/site-packages/vdsm/rpc/Bridge.py", line 197, in _dynamicMethod result = fn(*methodArgs) File "<string>", line 2, in getExternalVmFromOva File "/usr/lib/python2.7/site-packages/vdsm/common/api.py", line 48, in method ret = func(*args, **kwargs) File "/usr/lib/python2.7/site-packages/vdsm/API.py", line 1503, in getExternalVmFromOva return v2v.get_ova_info(ova_path) File "/usr/lib/python2.7/site-packages/vdsm/v2v.py", line 244, in get_ova_info _add_general_ovf_info(vm, root, ns, ova_path) File "/usr/lib/python2.7/site-packages/vdsm/v2v.py", line 1385, in _add_general_ovf_info raise V2VError('Error parsing ovf information: no memory size') V2VError: Error parsing ovf information: no memory size Regards Hongyu Du