KNOWLEDGE BASE

Error "Tableau Server requires a 32-bit driver to connect to the database server 'localhost', but the 64-bit driver is installed."


Published: 20 Jan 2014
Last Modified Date: 25 Aug 2020

Issue

When accessing Tableau Server administrative pages or reports, the following error might occur: 

Session Ended by Server

DataSourceException: Tableau Server requires a 32-bit driver to connect to the database server 'localhost', but the 64-bit driver is installed. Visit http://www.tableausoftware.com/drivers to download driver setup files. Specified driver could not be loaded due to system error 126 (PostgreSQL Unicode). 


 

Environment

  • Tableau Server

Resolution

  1. Uninstall the PostgreSQL driver(s) from the Control Panel (psqlODBC) 
    Note: If more than one PostgreSQL driver is installed, uninstall all of them.
  2. Download and install the PostgreSQL driver from the Drivers & Activation page.
  3. Restart Tableau Server.
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