After banging my head on a wall for quite a while, I realize I may have made a very silly misinterpretation regarding the functionality provided by Ryan Lane's LDAPAuthentication (and LDAPAutoAuthentication) extension. Here is my scenario MW 1.13.1 on IIS 6.0 (Win2K3) IIS has IWA configured for IE and it works without flaw. (No anonymous auth on IIS, all visitors are logged-in domain members using IE with the wiki's NetBIOS name in the "Intranet Zone") I have LDAPAuthentication working /almost/ perfectly (with the exception of two out of four preferences which do not get set..but thats a thread for tomorrow) Can I not use the extension(s) to automatically log the user into the wiki without a Smartcard? Or am I forced to buy a commercial extension like the solution from IOPLEX? Thanks, folks, this is driving me nuts... John