KNOWLEDGE BASE

Error "​Internal Error - An unexpected error occurred and the operation could not be completed" Connecting to Data Source


Published: 25 Nov 2015
Last Modified Date: 08 Mar 2017

Issue

When connecting to a data source from Tableau Desktop, the following error might occur:

Internal Error - An unexpected error occurred and the operation could not be completed
 
Additonally, Windows will deny accessing to the TableauTemp folder in the AppData directory (C:\Users\xxxxxx\AppData\Local\Temp\TableauTemp) even though you appear to have administrator rights.

Environment

  • Tableau Desktop
  • Any data source

Resolution

  1. Reinstall Tableau Desktop using an account with administrative privileges. For more information, see Download and Install Tableau Desktop.
  2. Work with your IT team to ensure that your user account has administrator rights to the necessary folders:
    • On Windows, the C: drive, specifically the AppData folder.
    • On a Mac, ~/Library/Preferences and ~/Library/Application Support

Cause

Tableau Desktop is unable to access the appropriate folder to create temp tables when opening a data source.
Did this article resolve the issue?