Error "oci not found" When Running Flow from Tableau Prep Command Line

Verify Oracle Driver Installation:

• Check if the required Oracle driver is installed in C:\Program Files\Tableau\Drivers.
• If missing, download and install the correct Oracle driver from the Tableau Driver Support page.

Ensure Environment Variables Are Set Correctly:

• Set the ORACLE_HOME environment variable to the correct 64-bit Oracle client installation path (e.g., C:\app\client\product\12.2.0\client_1).
• Add the bin directory (where oci.dll is located) to the system PATH variable.

Configure TNS_ADMIN for Service Name Connection:

• If connecting via an Oracle Service Name, set the TNS_ADMIN environment variable to point to the tnsnames.ora configuration file.

Restart the Machine:

• After making changes to environment variables, restart the computer to apply the updates