After a failed “Move VM”, “Copy VM”, or “Export VM” operation, the Virtual Machine (VM) being operated cannot start. Following is the error message displayed:
`User-added image`
## Solution
To resolve this error, complete the following procedure:
Open the Console to the XenServer that is hosting the VM and run the following command:
> list_domains
All the VMs running on that server are displayed.
Copy the UUID corresponding to id=0.
This is the UUID of the Control Domain. The Control Domain is a privileged Virtual Machine that handles all hyper calls received from running VMs to perform all virtual tasks.
Run the following command to obtain the UUID of the VBD (Virtual Block Device) object linking the Control Domain:
> xe vbd-list vm-uuid=<uuid of the Control Domain>
Run the following commands to unplug and destroy the VBD: