How To Fix NOTE104 - RFC error

SAP Error Message - Details

• Message type: E = Error

• Message class: NOTE - Status and note messages

• Message number: 104

• Message text: RFC error

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NOTE104 - RFC error ?

  The SAP error message "NOTE104 RFC error" typically indicates an issue with Remote Function Call (RFC) communication between SAP systems or between an SAP system and an external system. This error can arise from various causes, and understanding the specific context is crucial for troubleshooting.
  Causes of NOTE104 RFC Error
  
  
  Network Issues: Problems with the network connection between the systems can lead to RFC errors. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Errors: Incorrect configuration of RFC destinations in the SAP system can cause communication failures. This includes incorrect settings in transaction SM59.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  
  
  System Availability: The target system may be down or not reachable, leading to an RFC error.
  
  
  Version Compatibility: Incompatibility between different SAP versions or components can also lead to RFC errors.
  
  
  Resource Limitations: If the system is under heavy load or has resource limitations (like memory or CPU), it may not be able to handle RFC calls properly.
  
  
  Solutions to NOTE104 RFC Error
  
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems. You can use tools like ping or traceroute to diagnose network issues.
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Ensure that the connection type is correct (e.g., TCP/IP).
  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. You can check this in transaction SU01.
  
  
  System Status: Verify that the target system is up and running. You can check the system status in transaction SM51 or by logging into the target system directly.
  
  
  Review Logs: Check the system logs for any additional error messages that may provide more context. You can use transaction SM21 to view the system log.
  
  
  Monitor System Performance: Use transaction ST02 or ST03 to monitor system performance and check for any resource bottlenecks.
  
  
  Update SAP Notes: Sometimes, SAP releases notes that address specific issues. Check the SAP Support Portal for any relevant notes related to RFC errors.
  
  
  Related Information
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on RFC and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it involves complex configurations or system-specific issues.
  
  By following these steps, you should be able to diagnose and resolve the NOTE104 RFC error effectively.