Common Technical Questions and Answers to Delphi 3 and BDE/SQL Links 4.x - ISAPI/NSAPI/CGI


ISAPI/NSAPI/CGI SECTION


Q: "Invalid filename" error: When a client hits my ISAPI DLL it says "Invalid filename". My Paradox/dBASE tables are on a Novell server. What's wrong?

A: You're missing the drive mapping for your IUSR_XXX account. Your tables are on the Novell server, so you need a drive mapping to get there.
Background information:

  1. Your webserver is running IIS as a service. Nobody is logged in interactively.
  2. A client hits the web page with the ISAPI DLL. IIS is logging you in on the server as IUSR_XXX. In order for the ISAPI DLL to see your tables on the Novell server, you will need the drive mapping for that user.

Q: "Invalid configuration parameter for alias {alias_name}" error with ODBC: I get this error when trying to access a database thru an ODBC DSN connection on the ISAPI/NSAPI server. What am I doing wrong?

A: In order for ODBC to be used as a service and to be accessed by all users (IIS guest account), you need to create a non-standard SYSTEM DSN, not the default USER DSN.


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