Multiple vDCs same host with no physical DC?

I have a physical server running 2k8 R2 with Hyper-V.  Unfortunately, for what its worth, it is not able to run 2k12.  It is the only physical server running.  I would like to create a virtual domain controller, however I have no other DCs,
physical or virtual. It would be the only domain controller.  Is there any value in having 2 vDCs on that same host, or is it pointless since they are both running on the same host, therefore providing little actual redundancy?

If you have only one domain controller, the problem with it being in an earlier hypervisor goes away. The issue with 2008R2 as a host is that it doesn't process the VM-Generation ID attribute. If a virtual domain controller is reverted to a snapshot, it
could cause a
USN rollback. But, if there's only one domain controller, Active Directory cannot become inconsistent because there are no replication partners. In that case, the major fears with this go away. You still shouldn't be performing snapshots with even one virtual
DC, but the effects are no worse than restoring from backup. You'll be fine with 2k8r2 and a single DC until such time as you can refresh your hardware.
Eric Siron Altaro Hyper-V Blog
I am an independent blog contributor, not an Altaro employee. I am solely responsible for the content of my posts.
"Every relationship you have is in worse shape than you think."

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    Alessandro Ilardo wrote:
    Hi there,
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    Hello,
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