>Hi folks -
>
>Anyone know how I can get the machine id ? Need to use it for security. Our app. supports concurrent useage, and user is logging in with same name from multiple locations. We do have control of logged in or out, but need to do useage audit as well.
>

There's no such thing as machine ID. The closest thing to it is network card's MAC address but it also could be changed by changing NIC. Anyway, there's file#9981 that allows to retrieve MAC address.