Summary: Use Active Directory PoweShell cmdlets to add a computer to a security group.
How can I use Windows PowerShell to add a computer to a security group?
Use the Add-ADGroupMember cmdlet, and remember to use the SAM account name on the computer:
To add a computer called “STATION01” to a security group called “RDPEnabled”:
ADD-ADGroupMember “RDPEnabled” –members “STATION01$”
Note The SAM account name has a “$” added to its name.