How To Fix TRUST097 - Certificate already exists in address book

SAP Error Message - Details

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 097

• Message text: Certificate already exists in address book

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 TRUST097 - Certificate already exists in address book ?

  The SAP error message TRUST097: Certificate already exists in address book typically occurs when you are trying to import a digital certificate into the SAP system's address book, but a certificate with the same subject already exists. This can happen during the configuration of secure communication, such as SSL or S/MIME.
  Cause:
  The error is caused by the presence of a duplicate certificate in the SAP address book. When you attempt to import a new certificate, the system checks for existing certificates with the same subject name and finds that one already exists.
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Check Existing Certificates:
  
  Go to transaction code STRUST (Trust Manager).
  Navigate to the appropriate area (e.g., "SSL Server Standard" or "SSL Client Standard") where you are trying to import the certificate.
  Look for the existing certificate that is causing the conflict.
  
  
  
  Delete or Replace the Existing Certificate:
  
  If the existing certificate is no longer needed, you can delete it. Right-click on the certificate and select "Delete."
  If you need to replace the existing certificate with a new one, you may need to delete the old one first and then import the new certificate.
  
  
  
  Import the New Certificate:
  
  After deleting the old certificate (if necessary), you can proceed to import the new certificate again.
  Ensure that you follow the correct steps for importing the certificate, including selecting the correct file and ensuring that the format is supported.
  
  
  
  Check for Multiple Entries:
  
  If you are managing multiple systems or clients, ensure that you are not inadvertently importing the same certificate into different systems or clients.
  
  
  
  Backup:
  
  Before making changes, it is a good practice to back up the existing certificates in case you need to restore them later.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  STRUST: Trust Manager for managing certificates.
  STRUSTSSO2: For managing Single Sign-On certificates.
  
  
  
  Documentation:
  
  Refer to SAP Help documentation for detailed steps on managing certificates and trust relationships.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may provide additional guidance or solutions related to certificate management and the TRUST097 error.
  
  
  
  By following these steps, you should be able to resolve the TRUST097 error and successfully manage your certificates in the SAP system.