How To Fix ESH_INTEGRATION220 - Backend unregistered on proxy

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_INTEGRATION - ESH Integration

• Message number: 220

• Message text: Backend unregistered on proxy

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_INTEGRATION220 - Backend unregistered on proxy ?

  The SAP error message ESH_INTEGRATION220: Backend unregistered on proxy typically occurs in the context of the SAP Enterprise Search (SAP ESH) when there is an issue with the registration of the backend system in the proxy configuration. This error indicates that the backend system that is supposed to be integrated with the search service is not properly registered or recognized by the proxy.
  Causes:
  
  Backend System Not Registered: The backend system may not be registered in the SAP ESH configuration.
  Incorrect Configuration: There may be incorrect settings in the proxy configuration or in the backend system settings.
  Network Issues: There could be network connectivity issues between the proxy and the backend system.
  Authorization Issues: The user or service account used for the connection may not have the necessary authorizations.
  Service Not Active: The relevant services in the backend system may not be active or properly configured.
  
  Solutions:
  
  
  Check Backend Registration:
  
  Go to the SAP ESH configuration in the SAP system.
  Verify that the backend system is correctly registered in the proxy settings.
  
  
  
  Re-register the Backend:
  
  If the backend is not registered, you may need to register it again. This can usually be done through the SAP GUI or the relevant transaction codes (like EHS_CONFIG).
  
  
  
  Verify Configuration Settings:
  
  Check the configuration settings for the proxy and ensure that all parameters are correctly set.
  Ensure that the backend system's URL and connection details are correct.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing the proxy from reaching the backend system.
  You can use tools like ping or telnet to test connectivity.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account used for the connection has the necessary authorizations to access the backend system.
  
  
  
  Activate Services:
  
  Ensure that the necessary services in the backend system are active. You can check this in the SAP Gateway or relevant service activation transactions.
  
  
  
  Check Logs:
  
  Review the application logs (transaction SLG1) for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Restart Services:
  
  Sometimes, restarting the relevant services or the entire system can resolve transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for Enterprise Search and the specific version of SAP you are using for detailed configuration guidelines.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.