here as well Si
with regards to doing this on w2k no way without drivers, cant you ask if it could be logged on as an admin and install the drivers?
also wouldnt it be easier as its an office network why not just as every1 has been saying connect the nas via ethernet.
1: its more reliable
2: its faster then via usb
3: dont know what kind of distance it would be but usb would be strugling after 5 meters.