Error "An error occurred while communicating with the data source" Extracting SAS File on Network Drive

Published: 26 Oct 2016
Last Modified Date: 05 Oct 2018


When attempting to create or refresh an extract from a SAS file which is stored on a network drive, the following error occurs:

An error occurred while communicating with the data source.
The connection to the data source might have been lost.


  • Tableau Desktop 10.0.2
  • Windows
  • Statistical Files


Option 1: 

Upgrade to Tableau Desktop 10.0.5 or a newer version. For more information, see Upgrading Tableau Desktop.

Option 2: 

Move the affected files to the local hard drive. 

Option 3:

Disable External Query Caching for Tableau Desktop:
  • From the command line: C:\Program Files\Tableau\Tableau 10.0\bin\tableau.exe -DExternalCacheDisable=true
  • Right-click the desktop shortcut, select Properties, and change the target in the Shortcut tab: "C:\Program Files\Tableau\Tableau 10.0\bin\tableau.exe" -DExternalCacheDisable=true


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