In the details pane, right-click the computer you want to add
to the domain, and then click Properties.
Click the UNIX Attributes tab.
In the NIS Domain list, click the domain to which you
want to add the computer.
To save the changes and keep the dialog box open, click
Apply. To save the changes and close the dialog box,
click OK.
Notes
To open Active Directory Users and Computers, click
Start, point to Programs, point to Administrative
Tools, and then click Active Directory Users and
Computers.
There is no command-line method for this procedure.