(Supplied as a possible tip to others) When specifying a NET USE command in an XP workstation batch file to establish a VPN share access for a SAMBA disk share, remember to use the full node name/domain specification.
(Failure to use the full name stumped us for several weeks). PLEASE READ THIS IMPORTANT ETIQUETTE MESSAGE BEFORE POSTING: http://www.catb.org/~esr/faqs/smart-questions.html