[libvirt-users] Error while starting the domain "error: monitor socket did not show up.: Connection refused"

All, here is my domain xml <domain type='kvm'> <name>tests</name> <uuid>76bc677f-ee5b-ef0b-1d02-72d12785b1d8</uuid> <memory>524288</memory> <currentMemory>524288</currentMemory> <vcpu>1</vcpu> <os> <type arch='x86_64' machine='pc-0.12'>hvm</type> <boot dev='network'/> </os> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>destroy</on_crash> <devices> <emulator>/usr/libexec/qemu-kvm</emulator> <disk type='file' device='disk'> <source file='/var/lib/libvirt/images/testKVM'/> <target dev='hda' bus='ide'/> <address type='drive' controller='0' bus='0' unit='0'/> </disk> <controller type='ide' index='0'/> <interface type='network'> <mac address='52:54:00:a4:0e:ce'/> <source network='default'/> <target dev='vnet0'/> </interface> <input type='mouse' bus='ps2'/> <graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1' keymap='en-us'/> <video> <model type='cirrus' vram='9216' heads='1'/> </video> </devices> </domain> my host is RHEL 6 beta. i don't have any clue where i am going wrong in the configuration of the host or configuration of the domain. -- Thanks & Regards Ravi Pawar