LANOff monitors network connections and optionally initiates computer shutdown if the network connection to specified computers is lost. LANOff supports all the normal shut down modes. LanOff is part of the JSutils group of software utilities which have a theme of energy conservation. To find more energy and money saving ideas check out Practical Home Energy Saving .
The program operates by interrogating each remote computer via a small slave program once a second. Up to four remote computers can be monitored or controlled with shutdown being initiated when connection to all computers is lost. Uses of LANOff include monitoring up to four computers connected to a server shutting down the server when it is no longer needed or shutting down up to four computers connected to a server when the server shuts down. It can be started via the Windows Task Scheduler, on start up or manually.LANOff supports Windows 2000, Windows XP, Windows 2003 and Windows Vista. The shutdown time and many other parameters can be configured via the configuration screen
The program requires a registration code to run – this can be obtained free for personal non commercial use from the Download page. Registration codes from previous versions are compatible with version 4.3. The LANOff Slave does not need a registration code.