Joining Domain
1. Right click Computer and select Properties
2. Click Advanced System Settings
3. Click Computer Name tab and click Change
4. Click Domain and type in the domain name of the domain that you want to join. Click OK
5. Enter name and password of an account with permission to join the domain. Use Administrator account of the server you are trying to connect to. Click OK
6. Click OK
7. Click OK
8. Click Close
9. Click Restart Now
10. Notice the computer name and the domain