How To Fix S03475 - Error during RFC to destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: S03 - Messages for Enjoy TCC Monitors, July 20, 1999

• Message number: 475

• Message text: Error during RFC to destination &1

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 S03475 - Error during RFC to destination &1 ?

  The SAP error message S03475, which indicates "Error during RFC to destination &1," typically occurs when there is an issue with the Remote Function Call (RFC) connection to a specified destination. This can happen for various reasons, and understanding the cause is essential for troubleshooting.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved.
  Destination Configuration: The RFC destination may not be configured correctly in the SAP system (transaction code SM59).
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Availability: The target system may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  Incorrect Parameters: The parameters set in the RFC destination may be incorrect or incomplete.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the target system is reachable from the source system.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination. Ensure that the connection type, target host, and system number are correct.
  Test the connection using the "Connection Test" option in SM59.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check System Status:
  
  Verify that the target SAP system is up and running. You can check this by logging into the target system directly.
  
  
  
  Review Firewall Settings:
  
  If applicable, check with your network/security team to ensure that there are no firewall rules blocking the RFC connection.
  
  
  
  Review RFC Parameters:
  
  Ensure that all required parameters in the RFC destination are correctly set, including the client number, user, password, and language.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SMLG: Logon Groups
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to RFC connections.
  
  
  Logs: Review the system logs (SM21) and short dumps (ST22) for any additional error messages that may provide more context.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the S03475 error during the RFC connection. If the problem persists, consider reaching out to your SAP Basis team or SAP support for further assistance.