How To Fix SAML2039 - Processing of the message failed. Status code [&1] message [&2]

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 039

• Message text: Processing of the message failed. Status code [&1] message [&2]

What causes this issue?

The message processing failed at the SAML partner with the response:
[&V2&]

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2039 - Processing of the message failed. Status code [&1] message [&2] ?

  The SAP error message SAML2039 indicates that there was a failure in processing a SAML (Security Assertion Markup Language) message. This error typically occurs in scenarios involving Single Sign-On (SSO) configurations, where SAML assertions are used for authentication and authorization.
  Cause:
  The error message SAML2039 can be triggered by several issues, including but not limited to:
  
  Invalid SAML Assertion: The SAML assertion may be malformed or not conforming to the expected structure.
  Expired Assertion: The assertion may have expired, meaning it is no longer valid for authentication.
  Signature Verification Failure: The signature on the SAML assertion may not be valid, which can happen if the signing certificate is not trusted or has changed.
  Incorrect Configuration: There may be misconfigurations in the SAML settings, such as incorrect endpoints, issuer URLs, or audience restrictions.
  Network Issues: There could be network-related issues preventing the proper transmission of the SAML message.
  Incompatible Versions: The SAML protocol versions used by the Identity Provider (IdP) and Service Provider (SP) may not be compatible.
  
  Solution:
  To resolve the SAML2039 error, you can take the following steps:
  
  
  Check the SAML Assertion: Use tools like SAML Tracer or browser developer tools to inspect the SAML assertion being sent. Ensure it is well-formed and contains the expected attributes.
  
  
  Validate the Signature: Ensure that the signing certificate used by the IdP is correctly configured in the SAP system and is still valid. You may need to update the certificate if it has changed.
  
  
  Review Expiration Settings: Check the validity period of the SAML assertion. Ensure that the system time on both the IdP and SP is synchronized and that the assertion is not expired.
  
  
  Configuration Review: Double-check the SAML configuration settings in the SAP system. Ensure that the endpoints, issuer URLs, and audience restrictions are correctly set.
  
  
  Check Logs: Review the SAP application logs (transaction SLG1) for more detailed error messages that can provide additional context about the failure.
  
  
  Network Troubleshooting: Ensure that there are no network issues preventing the SAML message from being transmitted correctly.
  
  
  Consult Documentation: Refer to SAP documentation or the specific SSO configuration guide for your version of SAP to ensure all settings are correctly implemented.
  
  
  Testing: After making changes, test the SSO functionality to confirm that the issue has been resolved.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to SAML and SSO configurations.
  SAML Tracing Tools: Utilize tools like SAML Tracer or Fiddler to capture and analyze SAML messages for debugging purposes.
  Community Forums: Engage with SAP community forums or support channels for additional insights and assistance from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the SAML2039 error and implement the necessary solutions to resolve it.