Error "Keychain authentication does not work" Connecting to Hadoop Impala

Published: 15 Nov 2017
Last Modified Date: 15 Nov 2017


Error occurs when adding a Hadoop Impala data source to a workbook containing a MS SQL Server data source:
Keychain authentication does not work because either the required TDC file is missing from Tableau Desktop, or the TDC file on Tableau Desktop differs from the TDC file on Tableau Server. Obtain the required TDC file(<tdc file path>/impala.tdc), and make sure that the TDC files on Tableau Desktop and Server match. Unable to connect to the server "<server name>". Check that the server is running and that you have access privileges to the requested database 


  • Tableau Desktop 10.3.0 - 10.3.4
  • Cloudera Hadoop Impala
  • MS SQL Server


Upgrade to Tableau Desktop 10.3.5.


This behavior is related to a known issue with id 702047 which has been corrected in more recent versions.
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