GVM2012E At least one virtual machine that you have selected for restore to alternate location already exists in the Datacenter, so restore is not allowed. To restore to an alternate location when the destination virtual machine already exists, select only one virtual machine for the restore operation and choose a new name for the destination virtual machine. Duplicated VM: `VM name`

Explanation
When restoring to an alternate location, the destination virtual machine must not already exist.
Administrator response
Use the single virtual machine restore wizard so that you can rename the destination virtual machine.