Active Directory InPlace Upgrade from Windows Server 2012 R2 to 2016 Step by step

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Active Directory (DC) InPlace Upgrade from Windows Server 2012 R2 to 2016 Step by step
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Vikas Singh
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[@Nckslater]

Seriously man I can't thank you enough. I was in a bit of a pickle on the 1st of October still running 2012 R2 on a AD DS Domain Controller. Followed your video instructions and it all worked thanks to your clear tutorial. Thanks again

[@LabsHandsOn]

Glad it helped you

[@Chezzar007]

Thank you so much Vakas. I appreciate you.

[@LabsHandsOn]

Always welcome

[@senthilmurugan4894]

Thanks bro

[@ssharpeyes]

Thank you Vakas ... very much needed this video thanks again bro ...

[@LabsHandsOn]

Always welcome

[@jayvs5687]

Thanks for the great video, i had one issue while upgrading which is "keep personal files and apps" option is greyed out for me.

[@smaksood]

Excellent 😊👌

[@pawandeep31]

Thank you for the explanation.
Powershell cmdlet can be sued for roles transfer

[@thkossen1]

is it a requirement to change the FSMO roles to another server before upgrading

[@Alessandro-gv4bk]

Thanks Vakas for that guide! Just for info... I need to upgrade AD from 2012R2 to 2019; I think that this guide would be fine, right? Another thing... We need to leave the domain functional level to "Windows Server 2008 R2"... Am I sure that when I run adprep /forestprep and adprep /domainprep it WON'T change that level? I have not seen in the video the upgrade of the domain functional level to Windows 2016...

[@simplymanoj]

Hi Alessandro, Did you try it? What's your result!?
Thanks in advance

[@ittechsupport1993]

Hi, did you try it , what is the result and can you put video on 2012r2 to 2019 bro

[@AlexN0me11]

Is this process still the case? Or has this changed over time with new cumulative updates?

[@khaledsoliman7936]

kindly can you make upgrade on-place from domain controller 2012 R2 to 2019

[@vermadigvijay29]

Please tell me the news of mcse end in June and what is role based job

[@AlexN0me11]

What if you only have one domain controller? Can you not just upgrade to 2016 from disc?

[@Bond-sb5hf]

You do not need to prep the domain if upgrading from 2012 or above

[@GeorginiaNjeuga]

vous faites tous les videos flou akahhh

[@charliewill4509]

what if i do 3 domain controllers this way 1st one is DC01 2nd DC02 3rd DC03, i did the steps as you suggested works great but now i am getting errors schema mismatch now. any suggestions?
PS C:\WINDOWS\system32> repadmin /replsummary
Replication Summary Start Time: 2023-09-04 22:00:21
Beginning data collection for replication summary, this may take awhile:
......
Source DSA largest delta fails/total %% error
BAFLDC01 03m:16s 0 / 5 0
BAFLDC02 01d.07h:59m:34s 5 / 10 50 (2148074274) The target principal name is incorrect
BAORDC01 01d.07h:51m:23s 4 / 5 80 (8418) The replication operation failed because of
between the servers involved.
Destination DSA largest delta fails/total %% error
BAFLDC01 01d.07h:51m:23s 4 / 10 40 (8418) The replication operation failed because of
between the servers involved.
BAFLDC02 03m:16s 0 / 5 0
BAORDC01 01d.07h:59m:34s 5 / 5 100 (2148074274) The target principal name is incorrect