Even on 64-bit Windows, your calling application (e.g., 32-bit Microsoft Access) must use the 32-bit ODBC manager. The NotesSQL driver does not have a 64-bit version.
Practical next steps (concise):
: Most official download portals from IBM or HCL now point to HCL Software Support , where current license holders may still access version 9.0. lotus notessql 2.06 driver download