>Thanks again! But it still does not distinguish if your accessing data over a LAN or WAN.
You mean whether it's a local area or wide area network? If so, nope, and AFAIK, there's no real way to distinguish them. As far as Windows is concerned, the drive is just another device. Certainly, you can determine whether it's a network device or not, but beyond that Windows neither knows nor cares.
George
Ubi caritas et amor, deus ibi est