Hi, I can get excepted results by ein Xen_VirtualSystemMigrationCapabilities and Xen_VirtualSystemMigrationService in sfcb: wbemcli ein http://root:password@localhost:5988/root/virt:Xen_VirtualSystemMigrationC... localhost:5988/root/virt:Xen_VirtualSystemMigrationCapabilities.InstanceID="MigrationCapabilities" wbemcli ein http://root:password@localhost:5988/root/virt:Xen_VirtualSystemMigrationS... localhost:5988/root/virt:Xen_VirtualSystemMigrationService.SystemCreationClassName="",SystemName="",CreationClassName="Xen_VirtualSystemMigrationService",Name="MigrationService" But the query of gi of them are failing as followings: wbemcli gi http://root:password@localhost:5988/root/virt:Xen_VirtualSystemMigrationC... "MigrationCapabilities" * * wbemcli: Http Exception: server returned nothing (no headers, no data) * wbemcli gi http://root:password@localhost:5988/root/virt:Xen_VirtualSystemMigrationS... "Xen_VirtualSystemMigrationService",Name="MigrationService",SystemCreationClassName="",SystemName="" * * wbemcli: Cim: (1) CIM_ERR_FAILED: *** Provider Virt_VSMigrationService(17139) exiting due to a SIGSEGV signal * However, whatever ein or gi, the test results are correct in Pegasus, below is the test report: wbemcli ein http://root:password@localhost:5988/root/virt:Xen_VirtualSystemMigrationC... localhost:5988/root/virt:Xen_VirtualSystemMigrationCapabilities.InstanceID="MigrationCapabilities" wbemcli ein http://root:password@localhost:5988/root/virt:Xen_VirtualSystemMigraktion... localhost:5988/root/virt:Xen_VirtualSystemMigrationService.CreationClassName="Xen_VirtualSystemMigrationService",Name="MigrationService",SystemCreationClassName="",SystemName="" wbemcli gi http://root:password@localhost:5988/root/virt:Xen_VirtualSystemMigrationC... "MigrationCapabilities" localhost:5988/root/virt:Xen_VirtualSystemMigrationCapabilities.InstanceID="MigrationCapabilities" Caption,Description,InstanceID="MigrationCapabilities",ElementName,DestinationHostFormatsSupported,SynchronousMethodsSupported,AsynchronousMethodsSupported,CreationClassName="Xen_VirtualSystemMigrationCapabilities" wbemcli gi http://root:password@localhost:5988/root/virt:Xen_VirtualSystemMigrationS... "Xen_VirtualSystemMigrationService",Name="MigrationService",SystemCreationClassName="",SystemName="" localhost:5988/root/virt:Xen_VirtualSystemMigrationService.CreationClassName="Xen_VirtualSystemMigrationService",Name="MigrationService",SystemCreationClassName="",SystemName="" Caption,Description,ElementName,InstallDate,OperationalStatus,StatusDescriptions,Status,HealthState,PrimaryStatus,DetailedStatus,OperatingStatus,CommunicationStatus,EnabledState=5,OtherEnabledState,RequestedState=12,EnabledDefault=2,TimeOfLastStateChange,AvailableRequestedStates,TransitioningToState=12,SystemCreationClassName,SystemName,CreationClassName="Xen_VirtualSystemMigrationService",Name="MigrationService",PrimaryOwnerName,PrimaryOwnerContact,StartMode,Started Kaitlin said the fix of NULL key value has been in her list. Does the failure related with the NULL value of some keys, then why it can be test successfully on Pegasus? Best, Regards Daisy Guo Lian Yun E-mail: yunguol(a)cn.ibm.com IBM China Development Lab, Shanghai, China TEL: (86)-21-61008057