>>I saw a post may a year or two ago that had an API call to return the hard disk serial number. I can't seem to locate any such reference in the MSDN help behemoth.
>>Anyone remember it?
>
>G'day David,
>
>It's GetVolumeInformation(). There have been several threads on this in the past few weeks. Just do a search on the function name, and you'll get all the particulars.

Thanks George!
Do you reckon that this could be used for license and operating security? Any pitfalls - better ways?