How To Fix START_MESSAGES087 - No authentication URL is maintained at the backend.

SAP Error Message - Details

• Message type: E = Error

• Message class: START_MESSAGES -

• Message number: 087

• Message text: No authentication URL is maintained at the backend.

Self-Explanatory Message

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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 START_MESSAGES087 - No authentication URL is maintained at the backend. ?

  The SAP error message "START_MESSAGES087 No authentication URL is maintained at the backend" typically indicates that the system is unable to find a valid authentication URL for a specific service or application. This can occur in various scenarios, particularly when dealing with SAP Fiori applications, SAP Gateway, or when integrating with external systems.
  Cause:
  
  Missing Configuration: The backend system does not have an authentication URL configured for the service being accessed.
  Incorrect System Settings: The settings in the SAP Gateway or the backend system may not be correctly configured to handle authentication requests.
  Service Not Activated: The required OData service or application may not be activated in the backend system.
  Network Issues: There may be network connectivity issues preventing the frontend from reaching the backend.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP Gateway system and check the configuration for the service. Ensure that the authentication URL is correctly maintained.
  Use transaction code /IWFND/MAINT_SERVICE to check if the OData service is activated and properly configured.
  
  
  
  Maintain Authentication URL:
  
  If the authentication URL is missing, you need to maintain it. This can typically be done in the SAP Gateway settings or through the relevant configuration transaction.
  
  
  
  Activate Services:
  
  Ensure that the required OData services are activated in the backend system. You can do this using transaction code SE80 or /IWFND/MAINT_SERVICE.
  
  
  
  Check User Roles and Authorizations:
  
  Ensure that the user has the necessary roles and authorizations to access the service. This can be checked in transaction PFCG.
  
  
  
  Network Configuration:
  
  Verify that there are no network issues preventing communication between the frontend and backend systems. Check firewall settings, proxy configurations, and ensure that the backend system is reachable.
  
  
  
  Review Logs:
  
  Check the SAP Gateway logs for any additional error messages that might provide more context. You can use transaction SLG1 to view application logs.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address specific issues related to your version of SAP or the services you are using.
  Documentation: Refer to the official SAP documentation for configuring SAP Gateway and OData services for detailed steps and best practices.
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the issue related to the "No authentication URL is maintained at the backend" error message.