Upgrade domain comtroller from 2008 to 2016

Jan Nielsen
Jan Nielsen used Ask the Experts™
on
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
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RaneeshIT Support

Commented:
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
MaheshArchitect
Distinguished Expert 2018

Commented:
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
Dr. KlahnPrincipal Software Engineer

Commented:
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
Awarded 2017
Distinguished Expert 2018

Commented:
It is so quick an easy to add new DC, I would not upgrade
Jan NielsenIT-coordinator

Author

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?
Shaun VermaakTechnical Specialist
Awarded 2017
Distinguished Expert 2018

Commented:
Yes, but you first need to get the existing DCs to 2016 if you want to to the DFF and FFL
Jan NielsenIT-coordinator
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?
Technical Specialist
Awarded 2017
Distinguished Expert 2018
Commented:
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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