See the programs which are running on your endpoint. You may wish to look if the right processes are active or if they have restarted. This can help network diagnostics if there are problems with availability or response time.
See the network applications (sockets in LISTEN mode) on your endpoint. You may wish to look if the right applications are active. If a user cannot get into a particular application, it may be because the socket is not in LISTEN mode.
Services on Endpoint
See the services running and not running on your endpoint. You can also find the path and parameters used to start the service. You may wish to receive an alert if a needed service stops.