How To Fix TRUST129 - Could not find certificate in the block list

SAP Error Message - Details

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 129

• Message text: Could not find certificate in the block list

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TRUST129 - Could not find certificate in the block list ?

  The SAP error message TRUST129: Could not find certificate in the block list typically occurs in the context of SAP's trust management system, particularly when dealing with SSL/TLS certificates. This error indicates that the system is unable to locate a specific certificate in the block list, which is used to manage and validate trusted certificates.
  Cause:
  
  Missing Certificate: The certificate that the system is trying to validate is not present in the block list.
  Incorrect Configuration: The trust configuration may not be set up correctly, leading to the system not being able to find the required certificate.
  Expired or Revoked Certificate: The certificate may have expired or been revoked, and the system is unable to find it in the block list for validation.
  System Cache Issues: Sometimes, the system cache may not be updated, leading to discrepancies in certificate validation.
  
  Solution:
  
  
  Check the Block List:
  
  Go to the transaction code STRUST in your SAP system.
  Navigate to the "SSL Client (Anonymous)" or "SSL Server" tab, depending on your context.
  Verify if the required certificate is present in the block list. If not, you may need to add it.
  
  
  
  Import the Certificate:
  
  If the certificate is missing, you can import it into the block list.
  Use the "Import Certificate" option in the STRUST transaction to add the necessary certificate.
  
  
  
  Update Trust Configuration:
  
  Ensure that the trust configuration is correctly set up. This includes checking the SSL settings and ensuring that the correct certificate authorities (CAs) are trusted.
  
  
  
  Clear Cache:
  
  If you suspect that the issue is related to caching, you can clear the cache of the SAP system. This can sometimes resolve issues related to outdated certificate information.
  
  
  
  Check for Expired Certificates:
  
  Review the certificates in the block list to ensure none are expired or revoked. If they are, you may need to replace them with valid certificates.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support notes related to trust management and SSL configuration for additional guidance.
  
  
  
  Related Information:
  
  Transaction STRUST: This is the main transaction for managing SSL certificates and trust relationships in SAP.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the TRUST129 error.
  SSL/TLS Configuration: Familiarize yourself with SSL/TLS configuration in SAP, as it is crucial for secure communications.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, as they can provide more tailored guidance based on your specific system configuration and environment.