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How To Fix SAML2024 - All 'SubjectConfirmation' elements are invalid


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SAML2 - SAML2 Nachrichten

  • Message number: 024

  • Message text: All 'SubjectConfirmation' elements are invalid

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  • Self-Explanatory Message

    Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

    To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

    Unfortunately, there isn't any extra information in this error notice.



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    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message SAML2024 - All 'SubjectConfirmation' elements are invalid ?

    The SAP error message SAML2024: All 'SubjectConfirmation' elements are invalid typically occurs in the context of Single Sign-On (SSO) implementations using SAML (Security Assertion Markup Language). This error indicates that the SAML assertion received does not contain valid SubjectConfirmation elements, which are crucial for verifying the identity of the user.

    Causes:

    1. Invalid or Expired Assertion: The SAML assertion may be expired or not valid for the current time frame.
    2. Incorrect SubjectConfirmation Method: The method specified in the SubjectConfirmation element may not match the expected method (e.g., Bearer, Holder-of-Key, etc.).
    3. Missing or Incorrect Attributes: Required attributes in the SubjectConfirmation element may be missing or incorrectly formatted.
    4. Signature Issues: The SAML assertion may not be properly signed, or the signature may not be verifiable against the trusted certificate.
    5. Configuration Issues: There may be misconfigurations in the Identity Provider (IdP) or Service Provider (SP) settings, such as incorrect endpoints or certificates.

    Solutions:

    1. Check Assertion Validity: Ensure that the SAML assertion is valid and not expired. You can check the NotBefore and NotOnOrAfter attributes in the assertion.
    2. Verify SubjectConfirmation Method: Ensure that the SubjectConfirmation method used in the assertion matches what is expected by the SAP system.
    3. Review Required Attributes: Make sure that all required attributes in the SubjectConfirmation element are present and correctly formatted.
    4. Check Signature: Verify that the SAML assertion is correctly signed and that the signing certificate is trusted by the SAP system.
    5. Configuration Review: Review the configuration settings in both the IdP and SP to ensure they are correctly set up. This includes checking the endpoints, certificates, and any other relevant settings.
    6. Logs and Traces: Enable detailed logging on both the IdP and SP sides to capture more information about the SAML exchange and identify where the failure occurs.

    Related Information:

    • SAML Specification: Familiarize yourself with the SAML 2.0 specification, particularly the sections related to SubjectConfirmation.
    • SAP Documentation: Refer to SAP's official documentation for SSO and SAML configurations, as it may provide specific guidance for your version of SAP.
    • Community Forums: Check SAP community forums or other technical forums for similar issues and solutions shared by other users.
    • Testing Tools: Use SAML testing tools (like SAML-tracer or online SAML validators) to inspect the SAML assertions being exchanged and identify any discrepancies.

    By following these steps, you should be able to diagnose and resolve the SAML2024 error in your SAP environment.

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