1. Go to your vcenter appliance link https://MyAppliance.Mydomain.com/mob/?moid=group%2dv3
  2. Expand childEntity and choose the VM that you want clone
  3. Scrool Down and Click on InstantClone_Task
  4. Replace the value with the following specs and Click on the Invoke Method
<spec>
   <name>MYVM-NEWNAME</name>
   <location></location>
</spec> 

By Nizar