Hello Ray,
You may want to take a look at the following Knowledgbase articles on NI.com
How Does LabVIEW Find Which Disk Drives Are in My Computer?
http://digital.ni.com/public.nsf/websearch/9DFF8F1788A7171A86256D10003776C0?OpenDocument
How Can I Programmatically Map a Network Drive in LabVIEW on a Windows 2000/XP Machine?
http://digital.ni.com/public.nsf/websearch/313C5E597B48652F86256D2700674EDB?OpenDocument
Best Regards,
Chris J