DNP allows you to reboot remote server. It may be useful in situations when the server has stopped responding (say RDC service is not responding, but IIS service is still alive or SMTP service has stopped working and its restart doesn't help) and you need to reboot the server.

To access server reboot screen click "Configuration -> Servers" in the top menu. Then open server properties which you want to reboot and click "Reboot Server" link.

The following screen will appear with a single "Reboot" button: