Avamar Virtual Machine Client Delete Failed msg "Cannot Find the VM from VC Cache"

A Virtual Machine (VM) client on Avamar cannot be deleted or retired if the vCenter could not provide its Universally Unique Identifier (UUID) during creation:

admin@ave:~/>: mccli client delete --name=/vCenterHostName/VirtualMachines/VM_Client_HostName
1,22240,Client delete failed.
Attribute Value
--------- ----------------------------------------------------------------------------------------
payload   <payload domain="/vCenterHostName/VirtualMachines" msg="Cannot find the vm from VC cache.">
<appdircomponent contact="" directory="/vCenterHostName/VirtualMachines" email="" 
id="0575fbcb0c7af01e82252b46a615d5b0cfbcb892" 
location="0575fbcb0c7af01e82252b46a615d5b0cfbcb892" 
name="VM_Client_HostName_n5CGj8bMNaqDgz0F8eyU4g" phone=""/></payload>

A vCenter may "autoadd" a VM without a UUID.

The root cause is unknown.

Customers: Create a Service Request referencing the summary information above.

Partners and Support: See the "Partner Notes" section for workaround details.