How do I join the “SERVER CORE” into an existing “DOMAIN” ?

To join the “SERVER CORE” into an existing DOMAIN:

• At a command prompt, type:
  

netdom join <ComputerName> /domain:<DomainName> /userd:<UserName> /password:*

ComputerName is the name of the server that is running the Server Core installation.
DomainName is the name of the domain to join.
UserName is a domain user account with permission to join the domain.

• When prompted to enter the password, type the password for the domain user account specified by

UserName

• If you need to add a domain user account to the local Administrators group, type the following command:

net localgroup administrators /add <DomainName>\<UserName>

• Restart the computer. You can do this by typing the following at a command prompt:
  

shutdown /r /t 0