Error "drivers ... not properly installed" Connecting to MSAS

Published: 04 Jun 2014
Last Modified Date: 28 Feb 2018


When you try to connect to Microsoft Analysis Services 2008 R2 from Tableau Desktop, the following error might occur:

An error occurred while communicating with Microsoft Analysis Services Cube.

The drivers necessary to connect to this database server are not properly installed. Visit to download driver setup files. 

Database error 0x80040154: Class not registered 

Unable to connect to the server. Check that the server is running and that you have access privileges to the requested database. 


  • Tableau Desktop
  • MSAS


  1. Uninstall the Microsoft Analysis Services drivers currently in use.
  2. Restart the computer running Tableau Desktop.
  3. Download and install the Microsoft Analysis Services 2012 SP1 64-bit (version 11.0.2100.60) driver from the Tableau Drivers & Activation page.


The computer running Tableau Desktop does not have the correct driver installed.
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