In an offline discussion with Viviana Basso, it turns out that he was using security = server, and the NT server was occasionally causing people to be authenticated only as guest users. Anyone remember what we did about that NT bug? --dave -- David Collier-Brown, | Always do right. This will gratify some people 185 Ellerslie Ave., | and astonish the rest. -- Mark Twain Willowdale, Ontario | //www.oreilly.com/catalog/samba/author.html Work: (905) 415-2849 Home: (416) 223-8968 Email: davecb@canada.sun.com