Configure SAP HANA SSO

You can configure Tableau Server to use SAML delegation to provide a single sign-on (SSO) experience for SAP HANA. This scenario is not dependent on SAML authentication to Tableau Server. You do not need to use SAML sign on with Tableau Server in order to use HANA SAML delegation. You can sign in to Tableau Server using whatever method you choose.

With SAML delegation for SAP HANA, Tableau Server functions as an identity provider (IdP).

Before you begin

Configuring SAML delegation with SAP HANA requires configuration on both Tableau Server and on SAP HANA. This topic provides configuration information about configuring Tableau Server. Before you configure Tableau Server, you must complete the following:

  • Acquire a SAML certificate and key file for Tableau Server. The certificate file must be a PEM-encoded x509 certificate with the file extension .crt or .cert. This file is used by Tableau Server, and must also be installed on HANA. The private key must be a DER-encoded private key file that is not password protected, and that has the file extension .der. This file is only used by Tableau Server.
  • Install the certificate in HANA.
  • Install the latest version of SAP HANA driver (minimum version is 1.00.9) on Tableau Server.
  • Configure network encryption from Tableau Server to SAP HANA (recommended).

For more information about generating the certificate/key pair, encrypting the SAML connection, and configuring SAP HANA, see How to Configure SAP HANA for SAML SSO with Tableau Server(Link opens in a new window) in the Tableau Community.

Configure Tableau Server SAML for SAP HANA

The following procedure describes how to configure SAML for SAP HANA on Tableau Server using tsm data-access. You can also configure SAML for SAP HANA using the sapHanaSettings Entity.

If you are running Tableau Server in a distributed deployment, run the following procedure on the initial node.

  1. Place certificate files in a folder named saml. For example:

    C:\Program Files\Tableau\Tableau Server\SAML

  2. Run the following commands to specify the location of the certificate and key files:

    tsm data-access set-saml-delegation configure --cert-key <cert-key> --cert-file <cert-file>

    Where <cert-key> and <cert-file> are file paths to the private key and certificate file, respectively.

    For example,

    tsm data-access set-saml-delegation configure --cert-key "c:\Program Files\Tableau\Tableau Server\SAML\saml_key.der" --cert-file "c:\Program Files\Tableau\Tableau Server\SAML\saml_cert.crt"

    You can specify other options. For example, you can specify user name format and how credentials are normalized. See tsm data-access.

  3. Run the following commands to enable delegation:

    tsm data-access set-saml-delegation enable

    tsm configuration set -k wgserver.sap_hana_sso.enabled -v true

    tsm configuration set -k wgserver.delegation.enabled -v true

  4. When you have finished, run tsm pending-changes apply.

    If the pending changes require a server restart, the pending-changes apply command will display a prompt to let you know a restart will occur. This prompt displays even if the server is stopped, but in that case there is no restart. You can suppress the prompt using the --ignore-prompt option, but this does not change the restart behavior. If the changes do not require a restart, the changes are applied without a prompt. For more information, see tsm pending-changes apply.

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