We previously told people to send a ctrl-alt-del to force elevation to a service if not already in service mode. However, in 2.3 we will try to send the ctrl-alt-del in normal mode and only elevate to service mode if that doesn't work, like in Vista and Windows 7. It will usually work in XP, so those users are hard to force elevation. Reboot/reconnect forces service mode, but then you'll have to reboot. We should add an explicit option to force this.