How To Fix SUSR_CERT018 - Termination

SAP Error Message - Details

• Message type: E = Error

• Message class: SUSR_CERT - User Certificates Administration

• Message number: 018

• Message text: Termination

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 SUSR_CERT018 - Termination ?

  The SAP error message SUSR_CERT018 typically indicates a problem related to user authentication, specifically concerning the digital certificates used in the SAP system. This error can occur in various contexts, such as when dealing with Secure Network Communications (SNC) or when using Single Sign-On (SSO) mechanisms.
  Cause:
  The error can be caused by several factors, including:
  
  Expired or Invalid Certificates: The digital certificate used for authentication may have expired or is not valid.
  Configuration Issues: There may be misconfigurations in the SNC or SSO settings within the SAP system.
  Trust Relationship Problems: The trust relationship between the SAP system and the identity provider or certificate authority may not be properly established.
  User Profile Issues: The user profile may not be correctly set up to use the required authentication method.
  
  Solution:
  To resolve the SUSR_CERT018 error, you can follow these steps:
  
  
  Check Certificate Validity:
  
  Verify that the digital certificates used for authentication are valid and not expired. You can check this in the SAP system under transaction code STRUST (Trust Manager).
  If the certificate is expired, you will need to renew it.
  
  
  
  Review Configuration Settings:
  
  Ensure that the SNC or SSO configurations are correctly set up. This includes checking the parameters in the instance profile and ensuring that the correct libraries are being used.
  For SNC, check the parameters like snc/enable, snc/identity/as, and snc/partnername.
  
  
  
  Establish Trust Relationships:
  
  Make sure that the trust relationship between the SAP system and the certificate authority or identity provider is correctly established. This may involve importing the necessary root and intermediate certificates into the SAP system.
  
  
  
  User Profile Verification:
  
  Check the user profile settings in transaction SU01 to ensure that the user is configured to use the correct authentication method.
  Ensure that the user has the necessary authorizations to access the system.
  
  
  
  Check Logs for Additional Information:
  
  Review the system logs (transaction SM21) and the security audit logs (transaction SM20) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring SNC and SSO.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to diagnose and resolve the SUSR_CERT018 error in your SAP system.