How To Fix XT635 - RFC destinations generated

SAP Error Message - Details

• Message type: E = Error

• Message class: XT - Transport Management System

• Message number: 635

• Message text: RFC destinations generated

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 XT635 - RFC destinations generated ?

  The SAP error message XT635 typically indicates that there is an issue with the RFC (Remote Function Call) destinations in your SAP system. This error can occur for various reasons, such as configuration issues, network problems, or authorization issues.
  Cause:
  
  
  Configuration Issues: The RFC destination may not be correctly configured in the SAP system. This could include incorrect connection parameters, such as the target system's hostname, system number, or client number.
  
  
  Network Problems: There may be network connectivity issues between the SAP system and the target system. This could be due to firewall settings, network outages, or incorrect routing.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  
  
  SAP Kernel or Patch Level: Sometimes, specific versions of the SAP kernel or patches may have bugs that affect RFC connections.
  
  
  Solution:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the issue.
  Verify the connection parameters (e.g., target host, system number, client, user, and password).
  Test the connection using the "Connection Test" button to see if it is successful.
  
  
  
  Network Troubleshooting:
  
  Ensure that the network connection between the SAP system and the target system is stable.
  Check for any firewall rules that may be blocking the connection.
  Use tools like ping or traceroute to diagnose network issues.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations in the target system.
  You can check user roles and authorizations in transaction SU01.
  
  
  
  System Availability:
  
  Verify that the target system is up and running. You can check this by logging into the target system or using monitoring tools.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address known issues with RFC connections or specific error messages.
  
  
  
  Consult Logs:
  
  Review the system logs (transaction SM21) and the developer trace files (transaction ST11) for any additional error messages or clues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SU01: User Maintenance
  SM21: System Log
  ST11: Developer Traces
  
  
  
  SAP Notes: Always check for relevant SAP Notes that may provide additional guidance or patches related to RFC issues.
  
  
  Documentation: Refer to the official SAP documentation for detailed information on configuring and troubleshooting RFC connections.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the XT635 error message in your SAP system.