Ensure it isn't disabled, as RSAT pulls files from Microsoft servers.
dcdiag /s:DC_NAME Replace DC_NAME with your domain controller's name.
If you are trying to troubleshoot Active Directory health, here is how to get the tool and use it properly. How to "Download" Dcdiag microsoft dcdiag download
Once installed, open a Command Prompt (Admin) and try these common diagnostic checks:
Run PowerShell as Administrator and paste this command: Add-WindowsCapability -Online -Name Rsat.ActiveDirectory.DS-LDS.Tools~~~~0.0.1.0 For Windows Server On a Server OS, the tool is likely already there. If not: Open . Click Add Roles and Features . Skip to Features . Ensure it isn't disabled, as RSAT pulls files
Expand > Role Administration Tools . Check AD DS and AD LDS Tools . 💡 Why You Can’t Find a Direct Link
The tool stays compatible with your OS build. How to "Download" Dcdiag Once installed, open a
Microsoft stopped offering Dcdiag as a separate download years ago (previously part of the "Support Tools" pack). Integration into RSAT ensures:
If your PC is managed by a corporate server, it might block "Optional Features." You may need to bypass WSUS temporarily.
dcdiag /v Provides "verbose" output to help find the exact point of failure.