Not sure about the USB drive but ...
Read this thread.
And this one as well
Thanks! I was hoping for a native Apple App or OS extension but if this 3rd party app works and there are no security holes then life is good. Don't get me wrong, I love the Apple stuff especially after having been a non-Apple IT consultant for so long, but there seems to be a lack of enterprise wide interoperability at the top of the Apple universe.... Knowing that there are bright folks at Apple this would appear to be on purpose.