Hi, I try to test VirtualSystemManagementCapabilities and get results as follows: Failing queries in Pegasus: wbemein http://root:password@localhost/root/virt:Xen_VirtualSystemManagementCapab... The return results list below, and that make tog-pegasus stop. * * wbemein: Http Exception: server returned nothing (no headers, no data) * However, I can get expected results in sfcb. wbemein http://root:password@localhost/root/virt:Xen_VirtualSystemManagementCapab... localhost:5988/root/virt:Xen_VirtualSystemManagementCapabilities.InstanceID="zeit/0" Best, Regards Daisy Guo Lian Yun E-mail: yunguol(a)cn.ibm.com IBM China Development Lab, Shanghai, China TEL: (86)-21-61008057