If you receive a pop up message box with an error message that looks something like this:

ADO Error Message: [FireDAC] [Phys][ODBC][Microsoft] [ODBC Microsoft access Driver] General error Unable to open registry key Temporary (volatile) Acs DSN for process 0x11c0 Thread 0x1150DBC 0x8557 fb4Jet

That is telling you that the user does not have security privileges. See this Microsoft Knowledge Base Article:


Also try setting the user privileges first like we show in this Tutorial: