5- Windows Server 2022 Adding Additional Domain Controller To Existing Domain Or Forest -

Open Command Prompt and type repadmin /showrepl . If you see "Successful," your DCs are officially talking.

Ensure the new server’s time matches the existing DC. Active Directory hates time discrepancies (it’s a Kerberos thing). Phase 2: Installing the Infrastructure Open Server Manager and click Add roles and features . Open Command Prompt and type repadmin /showrepl

Now that the new server is a DC, change its Preferred DNS to 127.0.0.1 (itself) and set the Alternate DNS to your first DC. Pro-Tip: The "Forgotten Step" Active Directory hates time discrepancies (it’s a Kerberos

Don't forget to update your ! Your client computers should now have both DC IPs listed as their DNS servers. This ensures that if DC1 goes down for updates, your users can still log in and reach the internet. Pro-Tip: The "Forgotten Step" Don't forget to update your

"Server-02" is much better than "Win-FE8392." Rename it and reboot now to save headaches later.

Once the installation finishes, you’ll see a yellow warning flag in Server Manager. Click it and select .

A DC is a lighthouse; it can't move. Assign a static IP and set the Preferred DNS to the IP of your existing DC.