Start / Stop services via WMI vbs

Here is how to start and stop a service via WMI calls from a .vbs;

'Start Service
strServiceName = "Alerter"
Set objWMIService = GetObject("winmgmts:{impersonationLevel=impersonate}!\\.\root\cimv2")
Set colListOfServices = objWMIService.ExecQuery ("Select * from Win32_Service Where Name ='" & strServiceName & "'")
For Each objService in colListOfServices
    objService.StartService()
Next

'Stop Service
strServiceName = "Alerter"
Set objWMIService = GetObject("winmgmts:{impersonationLevel=impersonate}!\\.\root\cimv2")
Set colListOfServices = objWMIService.ExecQuery("Select * from Win32_Service Where Name ='" & strServiceName & "'")
For Each objService in colListOfServices
    objService.StopService()
Next
/by