Kaitlin, Could you get expect result by below query? wbemcli ain -ac LXC_SettingsDefineState http://root:password@localhost/root/virt:LXC_Memory.DeviceID="test_domain/mem",CreationClassName="LXC_Memory",SystemName="test_domain",SystemCreationClassName="LXC_ComputerSystem" But ein and reverse query work for me. wbemcli ein http://root:password@localhost/root/virt:LXC_Memory localhost:5988/root/virt:LXC_Memory.DeviceID="test_domain/mem",CreationClassName="LXC_Memory",SystemName="test_domain",SystemCreationClassName="LXC_ComputerSystem" wbemcli ain -ac LXC_VirtualSystemSettingDataComponent http://root:password@localhost:5988/root/virt:LXC_VirtualSystemSettingData.InstanceID="LXC:test_domain" localhost:5988/root/virt:LXC_MemResourceAllocationSettingData.InstanceID="test_domain/mem" Best, Regards Daisy (运国莲) VSM Team, China Systems & Technology Labs (CSTL) E-mail: yunguol@cn.ibm.com TEL: (86)-21-60922144 Building 10, 399 Ke Yuan Rd, Pudong Shanghai, 201203