How To Fix S_LMCFG_OSS_TASKS020 - No certificate list found for >&1<

SAP Error Message - Details

• Message type: E = Error

• Message class: S_LMCFG_OSS_TASKS -

• Message number: 020

• Message text: No certificate list found for >&1<

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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Smart SAP Assistant

• What is the cause and solution for SAP error message S_LMCFG_OSS_TASKS020 - No certificate list found for >&1< ?

  The SAP error message S_LMCFG_OSS_TASKS020 with the description "No certificate list found for >&1" typically indicates an issue related to the configuration of the SAP system's communication with SAP Support or the SAP Service Marketplace. This error often arises when the system is unable to find the necessary SSL certificates required for secure communication.
  Cause:
  
  Missing SSL Certificates: The most common cause is that the required SSL certificates are not installed or configured correctly in the SAP system.
  Incorrect Configuration: The system may not be properly configured to access the SAP Service Marketplace or the SAP Support Portal.
  Expired Certificates: If the certificates are present but have expired, the system will not be able to establish a secure connection.
  Network Issues: There may be network-related issues preventing the system from reaching the SAP servers.
  
  Solution:
  
  
  Check SSL Certificates:
  
  Verify that the necessary SSL certificates are installed in the SAP system. You can do this by navigating to the transaction code STRUST.
  If the certificates are missing, you will need to download the required certificates from the SAP Service Marketplace and import them into the SAP system.
  
  
  
  Import Certificates:
  
  Use the STRUST transaction to import the certificates. You may need to import the root CA certificate and any intermediate certificates.
  Ensure that the certificates are imported into the correct SSL client (usually the SSL client for the system).
  
  
  
  Check Configuration:
  
  Ensure that the system is correctly configured to connect to the SAP Service Marketplace. This includes checking the settings in transaction SICF and ensuring that the HTTP/HTTPS services are active.
  Verify the settings in transaction RZ10 for the profile parameters related to SSL.
  
  
  
  Test Connection:
  
  After importing the certificates and verifying the configuration, test the connection to the SAP Service Marketplace using transaction SNOTE or OSS1 to see if the error persists.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest support packages and patches, as updates may include fixes for known issues.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may provide additional guidance or solutions specific to your version of SAP.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  STRUST: Manage SSL certificates.
  SNOTE: Access SAP Notes and implement them.
  OSS1: Access the SAP Service Marketplace.
  SICF: Maintain HTTP services.
  RZ10: Profile parameter maintenance.
  
  
  
  Documentation: Refer to the official SAP documentation for SSL configuration and troubleshooting.
  
  
  SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  
  By following these steps, you should be able to resolve the error message S_LMCFG_OSS_TASKS020 and restore proper communication with SAP services.