This VB script might help you in initiating the communication between WindowsUpdateAgent(Client) and WindowsUpdateServer(Server) for windows updates. ' ---------------START CODE--------------- strComputer = inputbox("Enter a computer name to run WUA detectnow","Invoke detectnow") if strComputer = "" then wscript.quit on error goto 0 Set autoUpdateClient = CreateObject("Microsoft.Update.AutoUpdate",strComputer) AutoUpdateClient.detectnow() wscript.echo "Client Communication initiated with WSUS Server." ' ----------------END CODE-----------------