join a host to the domain when the A/D is the VM

I have a windows  2012 R2 Hyper V host with  an SBS 2011 VM - The host his stand alone and I want to join it to the domain > what would be the consequences on the SBS 2011 VM Active directory and my network  access after I reboot it into the domain ?
JPD153Asked:
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Rob WilliamsCommented:
Best practice is not to add a host to a VM domain controller on the same machine as AD is not available when you boot the host.
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JPD153Author Commented:
Would logging on the host as local admin be OK and then start the VM ?
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Tom CieslikIT EngineerCommented:
Set your VM (DC) to automatic start after 1m
Restart Host and do not log on for about 5 minutes.
Let your DC shows up in your network before you'll try to log on.

All should be ok. I agree with Rob but sometimes people has no choice.

You can also add Host to Domain but for the firs time log on to local profile,, run VM and make sure is fully UP, then log of and log on to domain
Make sure your IPv4 on NIC on Host is configured correctly and all information about your DC will come from DNS server address configure on your card. If your Host is configure to use DHCP make sure all information about your DC are coming from DHCP server
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JPD153Author Commented:
Thank you both - I had read so much about hosts needing to be on the domain that i had to "comply".
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Cliff GaliherCommented:
2012 domains handle this gracefully and the official recommendation *has* changed.

If SBS 2011 is your only DC though, I would not join the host to the domain, as that is 2008 R2-based.
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JPD153Author Commented:
Is there an issue with 208 R2 in this context ?
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Cliff GaliherCommented:
Yes. There were several changes introduced to by AD and to Hyper-v in 2012 to minimize and/or eliminate dependencies and thus "chicken and egg" scenarios where the host needs a DC to allow management or spin up VMs. Without a domain environment at the 2012 schema and DFL, you may find yourself under specific circumstances unable to start the DC VM, and the only available recovery is rebuilding the host as a workgroup then importing the VM. From a DR standpoint, that becomes a destructive change and is considered a higher risk.. It should be avoided, even if the circumstances that cause this scenario are rare.
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JPD153Author Commented:
OK, So I am back pedalling and keeping my host as a workgroup outside the domain. Thanks again for your insights
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