KNOWLEDGE BASE

ADFS Fails to Redirect to Tableau Server After Accepting Credentials for SAML Authentication


Published: 18 Jul 2014
Last Modified Date: 03 May 2016

Issue

When logging in to Tableau Server configured for SAML authentication, ADFS will accept login credentials, and then fail to redirect to Tableau Server.

Environment

  • Tableau Server 8.2.0 and 9.1.0
  • SAML
  • ADFS

Resolution

Tableau Server 8.2.0

Verify that ADFS is configured to use SHA-1, not SHA-256, as its hashing algorithm.

Tableau Server 9.1.0

  1. Upgrade to Tableau Server 9.1.6 or 9.2.4.
  2. After upgrading, stop Tableau Server and enter the following tabadmin set command: tabadmin set wgserver.saml.sha256 true.

 

Cause

ADFS uses NTLM authentication which only supports SHA-1.
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