How To Fix MPE_OAN095 - Unspecified certificate in OA &1, version &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 095

• Message text: Unspecified certificate in OA &1, version &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN095 - Unspecified certificate in OA &1, version &2 ?

  The SAP error message MPE_OAN095 "Unspecified certificate in OA &1, version &2" typically relates to issues with the configuration of certificates in the context of SAP's Online Access (OA) functionality. This error can occur when the system is unable to find or validate a required certificate for a specific application or service.
  Cause:
  
  Missing Certificate: The specified certificate for the Online Access (OA) service is not present in the system.
  Incorrect Configuration: The configuration settings for the certificate may be incorrect, leading to the system being unable to locate or validate it.
  Expired Certificate: The certificate may have expired, making it invalid for use.
  Version Mismatch: The version of the certificate being referenced may not match the expected version in the system.
  
  Solution:
  
  
  Check Certificate Availability:
  
  Verify that the required certificate is installed in the system. You can check this in the transaction code STRUST (Trust Manager).
  Ensure that the certificate is correctly imported and is available in the appropriate certificate store (e.g., SSL server, SSL client).
  
  
  
  Validate Configuration:
  
  Review the configuration settings for the Online Access service to ensure that the correct certificate is referenced.
  Check the settings in the relevant configuration transactions (e.g., SOAMANAGER for web services).
  
  
  
  Renew or Replace Expired Certificates:
  
  If the certificate is expired, obtain a new certificate from the certificate authority (CA) and import it into the system.
  Ensure that the new certificate is correctly configured and associated with the relevant service.
  
  
  
  Check Version Compatibility:
  
  Ensure that the version of the certificate matches the version expected by the system. If there are version discrepancies, update the configuration to point to the correct version.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to Online Access and certificate management for specific guidance on resolving certificate-related issues.
  
  
  
  System Logs:
  
  Check system logs (transaction SLG1) for additional error messages or details that may provide more context about the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  STRUST: Trust Manager for managing certificates.
  SOAMANAGER: Service Administration for managing web services and their configurations.
  SLG1: Application Log for checking logs related to specific applications.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify and resolve the cause of the MPE_OAN095 error in your SAP system.