Upgrading and downgrading ODBC

To upgrade ODBC:.


To upgrade ODBC:

  1. Uninstall the current version of the driver.

  2. Install the new version of the driver.


To upgrade or downgrade ODBC:

  • Upgrade: Newly installed versions of the Vertica ODBC driver for macOS automatically upgrade the relevant driver system settings. Any DSNs associated with a previous version of the driver are not affected, except that they begin using the newer version of the driver.

  • Downgrade: Run the uninstall script to remove the current version of the Vertica ODBC driver for macOS. Complete this step before installing an older driver version.


  1. Download the Windows client driver installer.

  2. Run the installer and follow the prompts to upgrade the driver. The installer upgrades existing drivers in place.

  3. Reboot your system.