How To Fix /UI2/INTEROP021 - Failed to create HTTP client for RFC destination SAP_USER_FEEDBACK_HTTPS

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/INTEROP -

• Message number: 021

• Message text: Failed to create HTTP client for RFC destination SAP_USER_FEEDBACK_HTTPS

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/INTEROP021 - Failed to create HTTP client for RFC destination SAP_USER_FEEDBACK_HTTPS ?

  The SAP error message /UI2/INTEROP021 Failed to create HTTP client for RFC destination SAP_USER_FEEDBACK_HTTPS typically indicates an issue with the HTTP connection setup for the specified RFC destination. This error can arise due to various reasons, including configuration issues, network problems, or missing authorizations.
  Causes:
  
  RFC Destination Configuration: The RFC destination SAP_USER_FEEDBACK_HTTPS may not be configured correctly. This includes incorrect URL, authentication method, or other parameters.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target server defined in the RFC destination.
  SSL Configuration: If the destination uses HTTPS, there may be issues with SSL certificates, such as missing or invalid certificates.
  Authorization Issues: The user or service account used to access the RFC destination may not have the necessary authorizations.
  Service Availability: The service at the target URL may be down or not responding.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination SAP_USER_FEEDBACK_HTTPS.
  Ensure that the target host, service, and path are correctly specified.
  Verify that the connection type is set to HTTP or HTTPS as required.
  
  
  
  Test Connection:
  
  In transaction SM59, use the "Connection Test" feature to check if the RFC destination can be reached successfully.
  If the test fails, check the error message for more details.
  
  
  
  Review SSL Configuration:
  
  If using HTTPS, ensure that the SSL certificates are correctly installed and trusted by the SAP system.
  You can check the SSL configuration in transaction STRUST and ensure that the necessary certificates are imported.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no firewall rules or network issues blocking access to the target server.
  You can use tools like ping or telnet to check connectivity to the target host and port.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to access the RFC destination.
  Check the roles and profiles assigned to the user.
  
  
  
  Check Service Availability:
  
  Verify that the service at the target URL is up and running. You can do this by accessing the URL directly in a web browser or using tools like curl.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs: Review the application logs (transaction SLG1) for any additional error messages or details that may help in diagnosing the issue.
  Documentation: Refer to SAP documentation for configuring RFC destinations and troubleshooting HTTP connections.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.