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Bde 12550 invalid configuration parameter error

Question: What might be causing the error BDE 12550 Invalid configuration parameter? Answer: 12550 Invalid configuration parameter. One possible cause for the error: ODBC ALIASES. When creating and/or using a BDE alias that is using an ODBC DSN make sure that the ALIAS parameter "ODBC DSN" is set to the DSN that you wish to use and that has been created using ODBC Manager. Available ODBC DSN's can be chosen from the parameter's drop-down edit using the BDE Administrator. Another possible cause: Using ISAPI app and ODBC against NT web server. ODBC DSN on NT machine should be set to "system" instead of "user".