DNS Prerequisite
In this lab, the Windows client uses the Windows Server VM's IP as its DNS server to resolve the domain and find the domain controller.
Join Workflow
1) Open Network and Sharing Center
Control Panel → Network and Sharing Center.

2) Adapter Properties
Right-click your active network adapter → Properties.

3) IPv4 Settings
Select Internet Protocol Version 4 (TCP/IPv4) → Properties.

4) Point DNS to the Domain Controller
Set the Preferred DNS server to your DC's IP in this lab. This enables the client to find and join the domain.

5) Open System Properties
System → Advanced system settings → Computer Name tab.

6) Change Computer Name/Domain
Click Change… to join the domain.

7) Enter Domain Name
Select Domain and enter the FQDN (e.g., domain-1.local).

8) Provide Domain Credentials
Enter an account with permission to join computers to the domain (typically a domain admin or delegated account).

9) Welcome Prompt
On success, you'll receive a confirmation such as Welcome to the domain.

10) Restart to Complete
Click Restart Now to finalize the join.
