KNOWLEDGE BASE
Error:"OCI.dll not found" When Connecting to an Oracle Data Source
Published: 28 Apr 2017
Last Modified Date: 12 Jun 2018
Issue
When attempting to connect to an Oracle data source, the following error might occur:
"OCI.dll not found"
Resolution
Download and install the Oracle driver from the Drivers page for the version of Tableau Desktop you are using.
Cause
You do not have the correct Oracle driver for the data connection.