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    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"

    Environment

    • Tableau Desktop
    • Oracle

    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. 
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    Related Links
    Troubleshooting Oracle Connection Errors
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