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Windos 2008R2 Domain Migration to new Server2012/16

Hi all

I have two scenarios coming up.

First single physical server environment.  2008 R2 EOL standard server, need to migrate over to new hardware running Win2k12R2, it is their only DC, FISMO role holder/dns/dhcp, GC etc - I have always enlisted MS Support in the past because of tight windows for Outages, and Prod environments, however, does anyone have a solid step by step I can use as a guideline for a successful migration of these roles, a way to confirm test?  The goal is to decom the old prod server, that is generally reliable enough to not have to bother with MS support on these migrations.
Thanks!!!!!

The second scenario is similar but going physical to a new virtual DC - potentially will go to Win2k16. The question would be regarding the migration of roles to 2016.

Yes, MS Support came at a premium but always thought it was a good idea, "just in case" was able to always confirm and get up and running during/post migration.
Thoughts/ideas? Thanks guys!
Windows Server 2012Windows Server 2008

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Seth Simmons

8/22/2022 - Mon
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Lee W, MVP

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Hey Lee

Thanks for the reply.  Yes perhaps not a bad idea to go to a VM on Windows.  Before VMware became what it is, I had signed NDAs with a few companies as they were entering the virtual arena, some of the architecture inclusive of shared OS files in VMs were I thought not a good idea, needless to say, VMware of course became the leader.  The second scenario will be vsphere for sure.  
Perhaps it would be a good idea to put in hyper-v in the first scenario.  It is prod, but Hyper-v has matured.  The server was only spec'd out with 32 GB of RAM though, just installing the Core will scare and confuse them though.  Sure you had to complicate matters for me, kidding.  If they had the $$$ in their budget I would have carved up the VMs into infrastructure, and an app server or two as well.  
Still may be able to squeek by with hyper-v on top of the GUI.

You are right about the domain migrations, I should set up a test environment.  I have done them before. But was concerned about unforeseen issues.  

Off of the top of my head, (and def have to dig a little her), I would imagine you would add the 2012 as a DC, then can move over dhcp/dns, copy of Global catalog, and finally the roles etc.  In a nutshell - sound like i am on target? TIme to pull out my notes.
thank you!
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Lee W, MVP

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Hey Lee
Thanks.  Did you have a  link to any online procedures to follow, (best practices), beginning to end my friend?
You're the best!
Thanks
Seth Simmons

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