We have 15 AJP laptops running W2K Pro, which connect to our W2K domain running AD.
For some reason, when new users log on (ie. those that pick up the Default User profile), the NumLock key comes on, which is damn annoying as they can't type letters properly unless they switch it off.
Under HKCU\Control Panel\Keyboard\ I've set InitialKeyboardIndicators to 0 (and also set every occurance of the same key to 0), and have even tried copying the administrator account (for which the NumLock key doesn't come on) to the Default User account but no joy. I've also disable NumLock in the bios.
If its any help, the exact point the NumLock comes on is after logon where the dialog box "Applying personal settings" appears, which I guess rules out anything in the Startup folder or Run registry key.