No need for a UnDP. That sounds like a bug. Please open a Support ticket.
just curious, but do you see any other Views in that Detail View which relate to VMWARE?
like for instance these other two:
List of Virtual Machines
Virtual Machine Network Traffic (Today)
i get all of these which come from one of my VMware machines: Linux
mynodename2.4.9-vmnix2 #1 Fri Dec 10 21:59:33 PST 2004 i686
Yes I do see the other Views for VMware ESX server.