Is There a Preferred Order to Add Hosts or Guest VMs?

Is There a Preferred Order to Add Hosts or Guest VMs?

We have a rather large list of VM servers we need to add to OpManager. The VM admin person is so busy he is taking quite a while to add the hosts to OpManager, so we are wondering if there is any problem with adding the VMs now--prior to their hosts being added?
 
We want the VMs to show as 'Virtual Devices' in our reports, etc. distinguished from physical devices.
 
Thanks,
 
sd

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