Renew all (VBScript)

This code can be found in Chapter 10 of Windows Server Cookbook

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' This code renews all DHCP IP addresses.
' ---------------------------------------------------------------
' From the book "Windows Server Cookbook" by Robbie Allen
' ISBN: 0-596-00633-0
' ---------------------------------------------------------------

' ------ SCRIPT CONFIGURATION ------
strComputer = "."
' ------ END CONFIGURATION ---------
set objWMI = GetObject("winmgmts:\\" & strComputer & "\root\cimv2")
set objAdapterConfig = objWMI.Get("Win32_NetworkAdapterConfiguration")
intRC = objAdapterConfig.RenewDHCPLeaseAll()
if intRC = 0 then
   WScript.Echo "Renewed all DHCP IP addresses"
elseif intRC = 1 then
   WScript.Echo "You must reboot to renew all DHCP IP addresses"
else
   WScript.Echo "There was an error renewing all DHCP IP addresses: " & intRC
end if

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