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RaltonLeendertz-5770 asked learn2skills commented

upgrade from server2008 to server 2016

What is the best way to upgrade from server2008 to server2016

windows-server-2016
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@RaltonLeendertz-5770
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learn2skills answered learn2skills edited

Hi @RaltonLeendertz-5770
Thank You for posting in Q & A.

You should follow two step upgrade process Windows Server 2008 to Win 2012 and then Win 2012 to Win 2016.

Upgrade path
You can directly do an in-place upgrade to Windows Server 2019 from Windows Server 2016 and Windows Server 2012 R2. This means, to upgrade from Windows Server 2008 R2 to Windows Server 2019

you will have two consecutive upgrade processes.
First, you upgrade Windows Server 2008 R2 to Windows Server 2012 R2
Secondly, you will upgrade Windows Server 2012 R2 to Windows Server 2019
https://techcommunity.microsoft.com/t5/itops-talk-blog/how-to-in-place-upgrade-windows-server-2008-r2-to-windows-server/ba-p/752330

In general, there are 2 ways for system upgrading:
1. In-place upgrade
2. Migration

Windows Server installation and upgrade

https://social.technet.microsoft.com/Forums/en-US/92ff116d-5ceb-4d08-b291-062ed9edc266/upgrade-window-server-2008r2-std-to-window-server-2016-std?forum=winserver8setup


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DSPatrick answered

What is the best way to upgrade from server2008 to server2016

You didn't mention the roles but assuming a domain controller. The prerequisite before introducing the first 2016 domain controller: domain functional level needs to be 2003 or higher

I'd use dcdiag / repadmin tools to verify health correcting all errors found before starting any operations. Then stand up the new 2016, patch it fully, license it, join existing domain, add active directory domain services, promote it also making it a GC (recommended), transfer FSMO roles over (optional), transfer pdc emulator role (optional), use dcdiag / repadmin tools to again verify health, when all is good you can decommission / demote old one.


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DSPatrick answered

Any updates?

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