How To Fix SUSR_CERT020 - Error when creating HTTP connection &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SUSR_CERT - User Certificates Administration

• Message number: 020

• Message text: Error when creating HTTP connection &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SUSR_CERT020 - Error when creating HTTP connection &1 ?

  The SAP error message SUSR_CERT020 typically occurs when there is an issue with the SSL certificate configuration while trying to create an HTTP connection in the SAP system. This error indicates that the system is unable to establish a secure connection due to problems with the SSL certificate.
  Cause:
  
  Invalid or Expired Certificate: The SSL certificate being used may be invalid or has expired.
  Certificate Not Trusted: The certificate authority (CA) that issued the SSL certificate is not trusted by the SAP system.
  Incorrect SSL Configuration: There may be misconfigurations in the SSL settings within the SAP system.
  Missing Certificate: The required SSL certificate may not be installed in the SAP system's trust store.
  
  Solution:
  To resolve the SUSR_CERT020 error, you can follow these steps:
  
  
  Check Certificate Validity:
  
  Verify that the SSL certificate is valid and has not expired. You can check the certificate details using a web browser or tools like OpenSSL.
  
  
  
  Install/Update Certificates:
  
  If the certificate is expired or invalid, obtain a new certificate from the certificate authority (CA).
  If the CA is not trusted, you need to import the CA's root certificate into the SAP system's trust store.
  
  
  
  Import Certificates into SAP:
  
  Use transaction STRUST in the SAP GUI to manage SSL certificates.
  Import the required certificates into the appropriate SSL server or client SSL PSE (Personal Security Environment).
  Ensure that the certificate chain is complete and includes all intermediate certificates.
  
  
  
  Check SSL Configuration:
  
  Ensure that the SSL configuration in the SAP system is correct. This includes checking the SSL port settings and ensuring that the correct PSE is being used.
  
  
  
  Test the Connection:
  
  After making the necessary changes, test the HTTP connection again to see if the error persists.
  
  
  
  Review Logs:
  
  Check the SAP system logs (transaction SM21) and the HTTP trace (transaction SICF) for additional details that may help diagnose the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to SSL and HTTP connections.
  Documentation: Refer to the SAP Help Portal for documentation on configuring SSL and managing certificates in SAP systems.
  Security Best Practices: Regularly update and manage SSL certificates to avoid issues related to expiration and trust.
  
  By following these steps, you should be able to resolve the SUSR_CERT020 error and successfully create the HTTP connection in your SAP system.