In Abiquo 4.4, users can move VMs and scaling groups between virtual appliances in the same virtual datacenter.
Move VMs between virtual appliances
Move To move a VM to another VApp in the same virtual datacenter: Include Page
Select the VM
On the VM control panel, click the VM move button
Select the virtual appliance
...
or create a new one, and click Accept
If you have the privilege to restrict VMs, you may also be able to move the VM to a restricted VApp in the same virtual datacenter.
Move a scaling group to another virtual appliance in the same virtual datacenter
Move To move a scaling group to another virtual appliance Move a scaling group to another in the same virtual datacenter: Include Page
Put the scaling group in maintenance mode
Click the Move button
Select the new virtual appliance