How to configure 32 bit ODBC drivers on Win x64. Configure ODBC DSN from %SystemRoot%\syswow64\odbcad32.exe. Start > Run. Enter: % Stack Overflow
PostgreSQL does not include the ODBC driver in the standard database installation; it must be installed separately. postgresql odbc driver windows 7 32 bit
After hours of combing old mailing lists, I found a note from 2014 by a user named “Hiroshi Saito” (one of the driver maintainers). The workaround was brutal but simple: How to configure 32 bit ODBC drivers on Win x64
If you install the 64-bit driver because your OS is 64-bit, the application will not be able to see or utilize the driver. Enter: % Stack Overflow PostgreSQL does not include
But the connection failed even with the 32-bit driver. I ran psql from the same machine — worked perfectly. Firewall, network, credentials — all fine.
I documented the fix in a Word doc on the desktop and locked the driver version. The system ran until 2020, when Windows 7 was finally retired and the plant upgraded to Windows 10 LTSC — using the same 32-bit ODBC driver in compatibility mode.