I have a single Windows Server 2008 R2 box that's on a generic Geek Squad battery backup. (That purchase was not my choice.) It shuts down fine when the battery hits a critical level, but I can't seem to figure out how to get it to boot back up when the power comes back on. I tried to follow the instructions as outlined here - <http://wiert.me/2010/06/24/using-a-usb-connected-apc-ups-with-windows-server-2008-and-vmware-server-2-0/> - but when I go into the Device Manager and open the properties for the HID UPS Battery device, I get no Power Management tab, so I don't see an option anywhere to allow the device to wake the computer.

Any ideas?