Upgrade domain comtroller from 2008 to 2016

Upgrade domain controller

Hi
I have a question we've got 2 windows 2008 domain controller running in the company, and now I would like to upgrade to 2016 domain controller, but is it safe to upgrade, or is it better to install 2 fresh windows 2016 servere, and let them join the domain, and then promote one of them?

Is there anything I should do before starting the project?

Hope you can help out there, to get the best solution :-)

/Jan
Jan NielsenIT-coordinatorAsked:
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Shaun VermaakTechnical Specialist/DeveloperCommented:
You can add 2016 DC to the existing environment.

Later, when you want to upgrade DFL and FFL, you need all DCs on 2016
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RaneeshIT SupportCommented:
I haven't  yet tried a direct migration from 2008 to 2016, but tried from 2012 to 2016 and it was successful
Also from 2008 to 2016, I think you would need to pass through 2008-2012-2016, please read the below link

https://social.technet.microsoft.com/Forums/en-US/8da17531-03a5-49f9-ba73-979170c92c08/upgrade-from-2008-to-2016?forum=winserverDS

https://serverfault.com/questions/820349/best-practices-for-an-in-place-upgrade-from-server-2008r2-to-2016

https://community.spiceworks.com/topic/1986410-server-2008-r2-standard-upgrade-to-server-2016-standard

Personnel recommendation, Go for a fresh Installation
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MaheshArchitectCommented:
There is no supported path available for in place upgrade from 2008 / 2008 R2 to 2016
https://docs.microsoft.com/en-us/windows-server/get-started/supported-upgrade-paths

install new 2016 member server and promote them to domain controller gracefully which is all the time recommended and safe method.
https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/deploy/upgrade-domain-controllers-to-windows-server-2012-r2-and-windows-server-2012
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Dr. KlahnPrincipal Software EngineerCommented:
Before going any further, check to see that your hardware is supported under Server 2016 and that there are official drivers for all devices.  This is particularly important for RAID controllers.  It's not uncommon to find that a system / hardware manufacturer sees no value in updating drivers for their "legacy" hardware and simply abandons it.
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Shaun VermaakTechnical Specialist/DeveloperCommented:
It is so quick an easy to add new DC, I would not upgrade
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Jan NielsenIT-coordinatorAuthor Commented:
Hi

Thanks for answering, I can see that upgrading from server 2008 is out of the question, bur have I understood you right, that if I do a fresh install of a Server 2016, then I would be able to promote it to DC it will work?
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Shaun VermaakTechnical Specialist/DeveloperCommented:
Yes, but you first need to get the existing DCs to 2016 if you want to to the DFF and FFL
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Jan NielsenIT-coordinatorAuthor Commented:
Hi Shaun

When you say "existing DC's to 2016", do you mean my 2008 servers?

I did't think upgrading was possible, and also not a good idea?
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