Issue
When logging into a Tableau Online site, configured for SAML authentication with ADFS as IdP, users may be denied access and redirected to the ADFS server.Additionally, the following error may appear in the tableau_authentication.log that can be downloaded from the Authentication tab in the Tableau Online Settings page:
| ERROR | requestId=[abcdefghij], url=[/public/sp/SSO], status=[401], cause=[Error validating SAML message; caused by: Response has invalid status code urn:oasis:names:tc:SAML:2.0:status:Responder, status message is null], displayableMessage=[null], exceptionClass=[null]