How To Fix SR203 - No authorization for trust relationship in &1/&2

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 203

• Message text: No authorization for trust relationship in &1/&2

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 SR203 - No authorization for trust relationship in &1/&2 ?

  The SAP error message SR203 "No authorization for trust relationship in &1/&2" typically occurs in the context of SAP systems that are configured to use trust relationships, such as when integrating with other systems or when using Single Sign-On (SSO) configurations. This error indicates that the user or system does not have the necessary authorizations to establish or use the trust relationship between the specified systems.
  Cause:
  
  Missing Authorizations: The user or service account attempting to establish the trust relationship does not have the required authorizations in the SAP system.
  Incorrect Configuration: The trust relationship may not be correctly configured in the SAP system, leading to authorization issues.
  User Role Issues: The user may not have the appropriate roles assigned that include the necessary authorizations for the trust relationship.
  System Settings: There may be settings in the SAP system that restrict access to certain trust relationships.
  
  Solution:
  
  
  Check User Authorizations:
  
  Verify that the user or service account has the necessary authorizations to access the trust relationship. This can be done by checking the roles assigned to the user in transaction PFCG.
  Ensure that the user has the necessary authorization objects related to trust relationships, such as S_RFC, S_USER_AUTH, or any other relevant authorization objects.
  
  
  
  Review Trust Relationship Configuration:
  
  Check the configuration of the trust relationship in transaction STRUST (for SSL) or SICF (for HTTP services) to ensure that it is set up correctly.
  Ensure that the correct certificates are installed and that the trust relationship is properly defined.
  
  
  
  Assign Appropriate Roles:
  
  If the user lacks the necessary roles, assign the appropriate roles that include the required authorizations for the trust relationship.
  
  
  
  Consult SAP Documentation:
  
  Refer to SAP documentation or notes related to trust relationships and authorization issues for specific guidance on your version of SAP.
  
  
  
  Check System Logs:
  
  Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the authorization failure.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  PFCG: Role Maintenance
  STRUST: Trust Manager
  SICF: HTTP Service Hierarchy
  SM21: System Log
  
  
  Authorization Objects: Familiarize yourself with relevant authorization objects that may be required for trust relationships.
  SAP Notes: Search for SAP Notes related to SR203 or trust relationships for any known issues or patches.
  
  By following these steps, you should be able to diagnose and resolve the SR203 error in your SAP environment.