I have used the following to successfully move my clients (NT & 95) from one print server to another.

Hope you find this workable.

Trevor

;Script to move printer from -Srv1- to -Srv5-
If @InWin=1
If AddPrinterConnection("\\Srv5\hplj8000")=0
$result=DelPrinterConnection("\\Srv1\hplj8000")
EndIf
Else
$PrintSrv=ReadValue("HKEY_LOCAL_MACHINE\System\CurrentControlSet\control\Print\Printers\HP LaserJet 8000 Series PCL 6","Port")
If $PrintSrv="\\Srv1\hplj8000"
$Srv5=WriteValue("HKEY_LOCAL_MACHINE\System\CurrentControlSet\control\Print\Printers\HP LaserJet 8000 Series PCL 6","Port","\\Srv5\hplj8000","REG_SZ")
If @error=0
$result=SetDefaultPrinter("HP LaserJet 8000 Series PCL 6")
EndIf
EndIf
EndIf