Auto Shutdown with 2000 Pro.

Make sure to read the Note below about the BIOS.

http://www.winguides.com/registry/display.php/251/

Power the Computer Off After Shutdown (Windows NT/2000/XP)

This setting controls whether Windows should automatically power down or reboot your computer once it has finished the shutdown process.

Open your registry and find the key below.

Create a new string value, or modify the existing value, called PowerdownAfterShutdown and set it to "1" to power off the computer at shutdown,or "0" to reboot.

Restart Windows for the change to take effect.

Note: This feature must be supported by the computer's BIOS.

Registry Settings
System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
Value Name: PowerdownAfterShutdown
Data Type: REG_SZ (String Value)
Value Data: (0 = default, 1 = power down)

Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

-Jeff