Error "Connectionless Failure" Refreshing Extract or Workbook

Published: 02 May 2014
Last Modified Date: 05 Nov 2018


When you try to refresh a workbook on Tableau Online or refresh an extract on Tableau Server, the following error might occur:
Connectionless Failure


  • Tableau Server
  • Tableau Online
  • Extracts


  1. Log into Tableau Server or Tableau Online as an administrator and navigate to the Background Tasks for Extracts admin view. 
  2. Hover over the red x for the associated failed task and note the error message displayed. 
  3. Search for information on this secondary error message to resolve the issue. 


"Connectionless Failure" is a generic error message that may have many causes. The secondary error message in Background Tasks for Extracts will have more information on the particular issue.

Additional Information



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