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 .
Follow the wizard to and check Active Directory Domain Services . Click "Add Features" when prompted, then hit Install . Ensure the new server’s time matches the existing DC
Choose a strong password and store it in your vault. You’ll only need this if AD breaks and you need to perform "surgery" in Safe Mode. Follow the wizard to and check Active Directory
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. You’ll only need this if AD breaks and
Before you touch the AD DS role, your new server needs a solid foundation.
Once the installation finishes, you’ll see a yellow warning flag in Server Manager. Click it and select .
Building an additional Domain Controller (DC) isn’t just about redundancy; it’s about ensuring your network never has a "bad day." Think of it as hiring a second manager for a busy office—if one goes on vacation (or crashes), the other keeps the business running without anyone noticing.