My advice: Stick with the classic ADUC MMC ( dsa.msc ). Muscle memory for right-clicking properties and using the "Attribute Editor" tab is still faster than any web-based or modern UI. This is the hidden killer feature of ADUC on Windows 11.
Here is the definitive, modern way to install ADUC (and all your other MMC snap-ins) on Windows 11 Pro, Enterprise, or Education. install aduc windows 11
If you want the "new" (ADAC)—which has search filters and a PowerShell history pane—install the RSAT feature named Active Directory Administrative Center . It is a separate optional feature. My advice: Stick with the classic ADUC MMC ( dsa
Add-WindowsCapability -Name "Rsat.ActiveDirectory.DS-LDS.Tools~~~~0.0.1.0" -Online To install every RSAT tool at once (useful for dedicated admin jump boxes): Here is the definitive, modern way to install
To install only ADUC:
Get-WindowsCapability -Name "Rsat*" -Online | Add-WindowsCapability -Online Pro-tip: The ~~~~0.0.1.0 is not a version number. It is a separator syntax required by the Windows Package Manager. You installed ADUC. You launch it. It opens, but when you try to connect to your domain, you get: "Naming information cannot be located because: The specified domain either does not exist or could not be contacted." The Fix: Your Windows 11 machine is not domain-joined, OR you are connected to a VPN that does not route global catalog traffic.
Open or PowerShell as Administrator .