Release the DHCP Lease for a Network Adapter

Releases the DHCP leases for all TCP/IP-bound network adapters on a computer.

VBScript Code


On Error Resume Next

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colNetCards = objWMIService.ExecQuery _
    ("Select * From Win32_NetworkAdapterConfiguration Where IPEnabled = True")

For Each objNetCard in colNetCards
    objNetCard.ReleaseDHCPLease()
Next