Voici un petit script VBS qui permet d'activer le dhcp sur un poste (192.168.8.56) :

 strComputer = "192.168.8.56"
 Set objWMIService = GetObject("winmgmts:" _
 & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
 Set colNetAdapters = objWMIService.ExecQuery _
 ("Select * from Win32_NetworkAdapterConfiguration where IPEnabled=TRUE")
 For Each objNetAdapter In colNetAdapters
 errEnable = objNetAdapter.EnableDHCP()
 Next