Can someone tell me why this script displays empty answers in NT4 computers but works in w2k and w2k3 servers. I have installed the WMI from microsoft pages.

$strComputer = "."
$objWMIService = GetObject("winmgmts:\\"+ $strComputer + "\root\cimv2")

$colItems = $objWMIService.ExecQuery("Select * from Win32_ComputerSystem")
For Each $objItem in $colItems
? "" + $objItem.Name
Next

$colItems = $objWMIService.ExecQuery("Select * from Win32_BaseBoard")
For Each $objItem in $colItems
For Each $x in $objItem.ConfigOptions
? "Config Options:" + $x
Next
? "," + $objItem.SerialNumber
Next


$colItems = $objWMIService.ExecQuery("Select * from Win32_ComputerSystem")
For Each $objItem in $colItems
? "," + $objItem.Manufacturer
? "," + $objItem.Model
Next