Upgrade domain controllers to a newer version of Windows Server

Emma Yoyo 26 Reputation points


Step 5: On the Deployment Configuration screen, select Add a new domain to an existing forest and select Next.

It should be the first choice: Add a domain controller to an existing domain


Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
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  1. Limitless Technology 39,341 Reputation points

    Hello EmmaYoyo,

    In this case, the information is correct to Add a New Domain controller upgrading your environment, as if you are adding the Domain controller to your Forest Root domain (for example "Contoso .com") and the operation needs to upgrade the Forest Functional Level, not only the Domain Functional Level.


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