KNOWLEDGE BASE

Error "Unable to connect to Tableau Server ... Internet communication error" When Connecting to Published Data Source


Published: 25 Feb 2014
Last Modified Date: 11 Aug 2016

Issue

When connecting to a data source published to Tableau Server, the following error might occur:
 
Unable to connect to Tableau Server
Cannot connect to Tableau Server. Please check the server name and port and try again.
Internet communication error: Couldn't connect to server (<server name>)

 
When you try to connect to the same Tableau Server data source from a different computer, you are able to connect successfully.

Environment

  • Tableau Server
  • Network Firewall

Resolution

Work with your IT team to change the firewall rules to grant your computer access to the Tableau Server.

Cause

A firewall or directional rule is preventing your computer from connecting to the Tableau Server.
Did this article resolve the issue?