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Error "Authentication Failed" or "Error_Code=C79B2Cc8" When Refreshing Published Google Analytics Data Source


Published: 30 Nov 2020
Last Modified Date: 11 May 2021

Issue

Extract refresh of the published Google Analytics data source failed with the following error:
 "com.tableausoftware.nativeapi.exceptions.DataSourceException: Authentication failed."  In the vizportal log file (for example vizportal_node1-0.log), the error message: "tableau_error_code=C79B2CC8" could be found.

Environment

  • Tableau Server 2020.3.1
  • Tableau Desktop 2020.3
  • Tableau Online
  • Google Analytics

Resolution

As a workaround, use Tableau Desktop 2020.2.5 or earlier to republish Google Analytics data source.
or, 
Upgrade both Tableau Desktop and Tableau Server to 2020.4 or later.

 

Cause

This is a known issue that is fixed in more recent version of the product.
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