This script will add a domain user or group to the local administrators group of a remote computer. Make sure to change YourDomain to your WinNT domain name. Also change Administrators if you need to add the user or group to a different local group.

'**************************************Heading*********************************
'add_admin.vbs
'
'Jason Hofferle, jason@hofferle.com
'6/14/2005
'
'
'******************************************************************************

Option Explicit

Dim objArgs, objLocalAdminGroup
Dim strComputer, strUser

'On Error Resume Next

Set objArgs = WScript.Arguments

strComputer = objArgs(0)
strUser = objArgs(1)

Set objLocalAdminGroup = GetObject("WinNT://" & strComputer & "/Administrators")

WScript.Echo strComputer & "  " & strUser

objLocalAdminGroup.Add("WinNT://YourDomain/" & strUser)

Set objArgs = Nothing
Set objLocalAdminGroup = Nothing

Usage

At a command prompt:

add_admin.vbs [computer] [user]

To add the domain user user01 to the local administrators group on workstation01:

C:\>cscript.exe add_admin.vbs workstation01 user01

To add the domain group Domain IT to the local administrators group on workstation01:

C:\>cscript.exe add_admin.vbs workstation01 Domain IT