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Migrate or upgrade for windows servers 2012,as dcs and 2016 member servers to windows server 2019

Hello Team
I have windows  servers 2012  and  that acts as domain controller and other  windows 2016 member  servers with apps and role installed as I would like to  go for windows server 2019
I would like to ask regarding to the difference between migration and upgrade
As is it good to do migration for 2012 dcs to 2019  dcs and upgrade for windows members  servers  2016 to windows server 2019 or
Migration for all windows server 2012 dcs and windows 2016 member servers to  windows server 2019 member servers .
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David Johnson, CD
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ASKER

What about member domains servers that dont hold fsmo roles but only applications as sql,exchange,,third party applications (migrate or upgrade or new installation)
I'll repeat:
In my opinion you should always STRONGLY try to avoid upgrades.  Nothing will be more stable than a cleanly built system.  Migration to new systems ensures the most stable possible network, IMO.
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ASKER

Hi lee so why upgrade option is available from Microsoft and it gives keep file and app settings
Please explain
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ASKER

I am still addressing questions to all members of experts excahnge
I see, that some IT  guys go for migration only for Dcs as this hold FSMo roles and upgrades for all member servers and keep apps and file settings
Is that correct  in point of view of team members of experts-exchange???
Upgrades are supported because sometimes you have to upgrade.  But from a pure logic perspective, how could you expect an upgraded system, with potentially outdated drivers, software that's not fully patched, stale registry settings, and related possible issues EVER be as stable as a cleanly installed system?

There's a great point to remember when it comes to technology - JUST BECAUSE YOU CAN DOESN'T MEAN YOU SHOULD!
If you will transfer FSMO to new server, all other servers will upgrade information since new DNS will tell them that. If your servers has dedicated IP all you have to do after you'll move FSMO and before decommission old DC is actualize DNS information for IPv4 configuration on all servers in your domain.
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ASKER

I need more info and comments from all experts exchange please
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Split:
-- 'Tom Cieslik' (https:#a42992138)
-- 'David Johnson, CD' (https:#a42992105)
-- 'Lee W, MVP' (https:#a42992124)
-- 'Pete Long' (https:#a42992204)


If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.

seth2740
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