How To Fix RT377 - Transactional RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 377

• Message text: Transactional RFC

Self-Explanatory Message

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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 RT377 - Transactional RFC ?

  The SAP error message RT377 typically relates to issues with Transactional Remote Function Call (tRFC) in SAP systems. This error can occur when there are problems with the communication between systems or when there are issues with the configuration of the tRFC.
  Cause of RT377 Error
  
  Communication Issues: The error may arise due to network problems or issues with the connection between the SAP systems involved in the tRFC.
  Configuration Errors: Incorrect configuration of the RFC destinations or the logical systems can lead to this error.
  Queue Issues: If the tRFC queue is not processed correctly or if there are issues with the queue itself, it can trigger this error.
  Authorization Issues: The user or system may not have the necessary authorizations to execute the tRFC.
  System Load: High system load or performance issues can also lead to timeouts or failures in processing tRFC calls.
  
  Solution to RT377 Error
  
  Check RFC Configuration: Verify the configuration of the RFC destinations in transaction SM59. Ensure that the target system is correctly defined and reachable.
  Monitor tRFC Queue: Use transaction SM58 to monitor the tRFC queue. Check for any entries that are stuck or have errors and analyze the details for troubleshooting.
  Network Connectivity: Ensure that there are no network issues between the systems. You can use tools like ping or traceroute to check connectivity.
  Review Authorizations: Ensure that the user or system executing the tRFC has the necessary authorizations. Check the roles and profiles assigned.
  System Performance: Monitor the system performance and check for any bottlenecks. If the system is under heavy load, consider optimizing performance or scheduling tRFC calls during off-peak hours.
  Error Logs: Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that can provide more context on the issue.
  
  Related Information
  
  tRFC Overview: Transactional RFC is a communication method in SAP that allows for reliable communication between different SAP systems or between SAP and non-SAP systems. It ensures that the function calls are executed exactly once, even in the case of failures.
  SAP Notes: Check for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the RT377 error.
  Documentation: Refer to the official SAP documentation for tRFC and troubleshooting RFC-related issues for more detailed guidance.
  
  If the problem persists after following these steps, it may be necessary to engage SAP support for further assistance.