How To Fix SCLNT_HTTP424 - HTTP proxy denies connection (ICM_HTTP_PROXY_FORBIDDEN)

SAP Error Message - Details

• Message type: E = Error

• Message class: SCLNT_HTTP - Messages for HTTP Client for Respective Error Code

• Message number: 424

• Message text: HTTP proxy denies connection (ICM_HTTP_PROXY_FORBIDDEN)

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 SCLNT_HTTP424 - HTTP proxy denies connection (ICM_HTTP_PROXY_FORBIDDEN) ?

  The SAP error message SCLNT_HTTP424 with the description "HTTP proxy denies connection (ICM_HTTP_PROXY_FORBIDDEN)" indicates that the HTTP proxy server is denying the connection request from the SAP system. This can occur for several reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes
  
  
  Proxy Configuration Issues: The proxy settings in the SAP system may be incorrect or incomplete. This includes incorrect proxy server address, port, or authentication details.
  
  
  Access Control: The proxy server may have access control rules that deny connections from the SAP system's IP address or hostname.
  
  
  Authentication Failure: If the proxy requires authentication, and the credentials provided by the SAP system are incorrect or missing, the proxy will deny the connection.
  
  
  Firewall Restrictions: A firewall may be blocking the connection between the SAP system and the proxy server.
  
  
  Proxy Server Issues: The proxy server itself may be down or misconfigured, leading to connection denials.
  
  
  Solutions
  
  
  Check Proxy Configuration:
  
  Verify the proxy settings in the SAP system. You can check the settings in transaction SICF (Internet Communication Framework) or RZ10 (Profile Parameters).
  Ensure that the proxy server address and port are correctly configured.
  
  
  
  Review Access Control:
  
  Check the access control settings on the proxy server to ensure that the SAP system's IP address or hostname is allowed to connect.
  
  
  
  Verify Authentication:
  
  If the proxy requires authentication, ensure that the correct credentials are provided in the SAP system's configuration.
  You may need to update the credentials if they have changed.
  
  
  
  Check Firewall Settings:
  
  Review the firewall rules to ensure that traffic from the SAP system to the proxy server is allowed.
  
  
  
  Test Proxy Server:
  
  Test the proxy server independently (e.g., using a web browser or a command-line tool) to ensure it is operational and accepting connections.
  
  
  
  Consult Logs:
  
  Check the SAP system logs (transaction SM21) and the proxy server logs for any additional error messages or clues that can help diagnose the issue.
  
  
  
  Contact Network Administrator:
  
  If you are unable to resolve the issue, it may be necessary to involve your network administrator or the team responsible for managing the proxy server.
  
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP documentation related to HTTP proxy configuration and troubleshooting.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the SCLNT_HTTP424 error and implement a solution to restore connectivity through the HTTP proxy.