Aha! ADO's COM-based, so CoInitialize() is recommended, and it works! I'll remove the Sourceforge bug report right after I update my site. Thanks! ---------- Keith J. Farmer kfarmer@thuban.org http://www.thuban.org -----Original Message----- From: Brian Lloyd [mailto:brian@zope.com] Sent: Tuesday, January 29, 2002 13:53 If the database interface you are using is COM-based, then it's quite likely that the problem is bound up with the threading model and CoInitialize.