Upgrade domain controllers to a newer version of Windows Server
May 28, 2025 · Determine the best approach to moving domain controllers to Windows Server 2025. Learn how the Active Directory Migration Tool can consolidate domains within a forest or migrate …
Migrate from Windows Server 2012 R2 to Windows Server 2025
Oct 21, 2024 · The forest functional level is not supported. To install a Windows Server 2025 domain or domain controller, the forest functional level must be Windows Server 2016 or higher." I found online …
Active Directory Domain Services migration - Training
Determine the best approach to moving domain controllers to Windows Server 2025. Learn how the Active Directory Migration Tool can consolidate domains within a forest or migrate domains to a new …
Raise Domain and Forest Functional Levels in AD DS on Windows Server
Jul 21, 2025 · Important If all domain controllers in all domains in the forest are running Windows Server 2025, it isn't necessary to raise individual domain functional levels manually because raising the …
Active Directory Domain Services Functional Levels
Oct 30, 2025 · Functional levels determine the available Active Directory Domain Services (AD DS) domain or forest capabilities. They also determine which Windows Server operating systems you can …
Migrate SYSVOL replication from FRS to DFS Replication
May 14, 2025 · Determine the best approach to moving domain controllers to Windows Server 2025. Learn how the Active Directory Migration Tool can consolidate domains within a forest or migrate …
Learn about upgrading your domain and forest functional levels in ...
Oct 25, 2024 · In an environment that consisting of Windows Server 2016, 2019 and 2022-based domain controllers, the functional levels are set by default to the Windows Server 2016 domain and …
View and transfer FSMO roles - Windows Server | Microsoft Learn
Jan 15, 2025 · It is also the Domain Master Browser, and it handles password discrepancies. At any one time, there can be only one domain controller acting as the PDC emulator master in each domain in …
Virtualizing domain controllers with Hyper-V | Microsoft Learn
Mar 7, 2024 · Learn about considerations for virtualizing Windows Server Active Directory domain controllers (DCs) in Hyper-V.
Upgrading a Server 2019 Domain Controller to 2025, Where's …
May 29, 2025 · Determine the best approach to moving domain controllers to Windows Server 2025. Learn how the Active Directory Migration Tool can consolidate domains within a forest or migrate …
dfsrmig | Microsoft Learn
Nov 1, 2024 · The dfsrmig command is supported only on domain controllers that run at the Windows Server domain functional level, because SYSvol migration from FRS to DFS Replication is only …
Server 2025 Domain Controllers - Trust relationship issues on ...
Jan 3, 2025 · Hi We have 4 Domain controllers upgraded to server 2025 and about 30+ still on 2022. The newly upgraded servers appear to have a bug where by any workstations going through them …
dcpromo in Windows Server | Microsoft Learn
The following example creates the first domain controller in a new child domain where you expect to install at least some Windows Server 2025 domain controllers:
How to raise Active Directory domain and forest functional levels
Jan 15, 2025 · For information about Windows Server 2016 and new features in Active Directory Domain Services (AD DS), see What's new in Active Directory Domain Services for Windows Server 2016. …
Transfer Flexible Single Master Operations roles in Windows Server
Jul 2, 2024 · When you create a new forest, the wizard also assigns the two forest-level operations master roles to the first domain controller. After the domain is created and functioning, you might …
Upgrade Domain Controllers to Windows Server 2012 R2 and …
May 12, 2025 · This article provides background information about Active Directory Domain Services in Windows Server 2012 R2 and Windows Server 2012 and explains the process for upgrading domain …
Domain Controller Upgrade Process from Windows Server 2016 to …
Jul 8, 2025 · Determine the best approach to moving domain controllers to Windows Server 2025. Learn how the Active Directory Migration Tool can consolidate domains within a forest or migrate domains …
Demote Domain Controllers and Domains | Microsoft Learn
Jul 11, 2025 · Learn how to demote domain controllers and domains using Server Manager or PowerShell in Windows Server.
AD server 2016 to 2022 migration - Microsoft Q&A
Oct 9, 2023 · 5.If you have more than one Domain Controllers to migrate from lower OS level (2016) to higher OS level (2022), please repeat 1-4 within Step 3. 6.After all DCs have migrate from lower OS …
Upgrading/moving the AD Server from 2012 R2 Datacenter to new …
Mar 6, 2024 · The recommended method to upgrade a domain controller from Windows 2012 r2 to Windows 2022 is to add a additional domain controller under windows 2022 then migrate all fsmo …