So you need to reboot your Mitel controller but don’t fancy hanging around until 2am to do it (despite the overtime). Your friend is the “Programmed Reboot” maintenance command.
Fairly basic thing right? Right! Open a web browser and point it to the IP Address of your Mitel 3300. Depending on the version you are running (because this route has change a few times between the MCD versions you want to find “Maintenance Commands”.