To stop the Internet Security and Acceleration (ISA) Server service. open a CMD prompt and type:
net stop mspfltex
You will receive a message that informs you that the command can stop the other services that you installed during the ISA installation. Responding Y will stop the services. To restart them, you can restart the computer.
You can individually Stop / Start these services, using the long or short names:
<b>"Microsoft Web Proxy"</b> <b>W3proxy</b>
<b>"Microsoft Firewall"</b> <b>Fwsrv</b>
<b>"Microsoft ISA Server Control"</b> <b>Isactrl</b>