Alteryx Designer Knowledge Base

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Andy Uttley, Alteryx ACE, makes music with Alteryx | Math + Music

Unable to find the dll: "telapi.dll" when using Teradata Bulk Loader in Output Data tool


Environment Details

The following error occurs when using the Teradata Bulk Loader option in the Output Data tool:

Unable to find the dll: "telapi.dll"

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  • Alteryx Designer
    • 2020.1.2 or below.
  • Teradata ODBC Drivers (32-bit or 64-bit)
    • 16.20.28 or below.


The Teradata Parallel Transporter Base feature was not installed.


Install the “Teradata Parallel Transporter Base” feature from the Teradata Tools and Utilities installation wizard for the appropriate Teradata client version. The download is found on the Teradata download site.

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See the Teradata documentation for further details on installing the Teradata Parallel Transporter Base.