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Hello.
I am in process of Migrating our Domain Controller from 2012 r2 to 2019 and AD functional level from 2012 R2 TO 2016. Is it possible to change our local domain .local to an actual domain name called *****.ca or .com so that we will be able to Sync Our AD Services to MS Azure AD in the cloud which we will eventually getting oour Microsoft M3 Licensing Please advise me the steps to follow during this upgrade. Any thoughts.
Thanks
Ramach
You can follow along here to rename the domain, but note the compatibility if you happen to have exchange servers.
https://www.rebeladmin.com/2015/05/step-by-step-guide-to-rename-active-directory-domain-name/
--please don't forget to upvote and Accept as answer if the reply is helpful--
What will be your recommendation while Upgrading the Domain Controllers. At What step I can include this domain name change while I upgrade the Domain Controllers to 2019 Servers and 2016 Functional Level.
Thanks
You could do it either before or after. Just check that the domain health is 100% before starting.