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Promoting a Windows Server 2025 Member to Domain Controller requires WS 2016 domain functional level

ITOpsTalk
9.43K subscribers
2.6K views 5 months ago
Though you can join Windows Server 2025 to a Windows Server 2012 R2 functional level domain, you can't promote the member server to domain controller. You must either perform an in-place upgrade of a Windows Server 2012 R2 domain controller to Windows Server 2025, or upgrade the domain functional level to Windows Server 2016. ➡️ Active Directory Functional levels: https://learn.microsoft.com/en-us/win... ➡️ Windows Server Summit 2025: https://aka.ms/wss2025 ➡️ My social links: https://aka.ms/orin Orin voice cloning done with: https://elevenlabs.io Orin avatar trained with: https://d-id.com ...more
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Promoting a Windows Server 2025 Member to Domain Controller requires WS 2016 domain functional level
22Likes
2,649Views
Feb 272025
Though you can join Windows Server 2025 to a Windows Server 2012 R2 functional level domain, you can't promote the member server to domain controller. You must either perform an in-place upgrade of a Windows Server 2012 R2 domain controller to Windows Server 2025, or upgrade the domain functional level to Windows Server 2016. ➡️ Active Directory Functional levels: https://learn.microsoft.com/en-us/win... ➡️ Windows Server Summit 2025: https://aka.ms/wss2025 ➡️ My social links: https://aka.ms/orin Orin voice cloning done with: https://elevenlabs.io Orin avatar trained with: https://d-id.com
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ITOpsTalk

9.43K subscribers