How To Fix 7F028 - End of certificate date is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: 7F -

• Message number: 028

• Message text: End of certificate date is not valid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 7F028 - End of certificate date is not valid ?

  The SAP error message 7F028 ("End of certificate date is not valid") typically occurs when there is an issue with the validity period of a digital certificate used in the SAP system. This error indicates that the end date of the certificate has either expired or is not valid for the current date.
  Cause:
  
  Expired Certificate: The most common cause is that the digital certificate has expired. Certificates have a defined validity period, and if the current date is beyond the end date of the certificate, this error will be triggered.
  Incorrect System Date: If the system date on the server is incorrect, it may lead to the perception that a valid certificate is actually expired.
  Certificate Not Yet Valid: If the certificate's start date is set in the future, and the current date is before that start date, this error can also occur.
  Misconfiguration: There may be a misconfiguration in the certificate settings or the trust store.
  
  Solution:
  
  
  Check Certificate Validity:
  
  Verify the validity period of the certificate. You can do this by checking the certificate details in the SAP system or using tools like OpenSSL.
  If the certificate is expired, you will need to renew it or replace it with a valid certificate.
  
  
  
  Update System Date:
  
  Ensure that the system date and time on the SAP server are correct. If the date is incorrect, adjust it to the current date.
  
  
  
  Install a New Certificate:
  
  If the certificate is expired, obtain a new certificate from the Certificate Authority (CA) and install it in the SAP system.
  Follow the appropriate steps to import the new certificate into the SAP trust store.
  
  
  
  Check Configuration:
  
  Review the configuration settings related to the certificate in the SAP system to ensure that they are set up correctly.
  
  
  
  Testing:
  
  After making the necessary changes, test the connection or functionality that was previously failing to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Certificate Management: Familiarize yourself with SAP's certificate management processes, including how to create, import, and manage certificates.
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. SAP frequently updates its documentation and provides solutions for known issues.
  Security Settings: Review the security settings in your SAP system, especially if you are using SSL/TLS for secure communications.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis team or consulting SAP support for further assistance.