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Message type: E = Error
Message class: SAML2 - SAML2 Nachrichten
Message number: 024
Message text: All 'SubjectConfirmation' elements are invalid
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.
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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:
- Invalid or Expired Assertion: The SAML assertion may be expired or not valid for the current time frame.
- Incorrect SubjectConfirmation Method: The method specified in the
SubjectConfirmation
element may not match the expected method (e.g.,Bearer
,Holder-of-Key
, etc.).- Missing or Incorrect Attributes: Required attributes in the
SubjectConfirmation
element may be missing or incorrectly formatted.- Signature Issues: The SAML assertion may not be properly signed, or the signature may not be verifiable against the trusted certificate.
- Configuration Issues: There may be misconfigurations in the Identity Provider (IdP) or Service Provider (SP) settings, such as incorrect endpoints or certificates.
Solutions:
- Check Assertion Validity: Ensure that the SAML assertion is valid and not expired. You can check the
NotBefore
andNotOnOrAfter
attributes in the assertion.- Verify SubjectConfirmation Method: Ensure that the
SubjectConfirmation
method used in the assertion matches what is expected by the SAP system.- Review Required Attributes: Make sure that all required attributes in the
SubjectConfirmation
element are present and correctly formatted.- Check Signature: Verify that the SAML assertion is correctly signed and that the signing certificate is trusted by the SAP system.
- 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.
- 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:
SubjectConfirmation
.By following these steps, you should be able to diagnose and resolve the SAML2024 error in your SAP environment.
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