EA579 - tRFC ports cannot be copied!

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 579

• Message text: tRFC ports cannot be copied!

What causes this issue?

As the name is established via internal number assignment for tRFC
ports, a port of this kind cannot be copied.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Plese create the port again.

Error message extract from SAP system. Copyright SAP SE.

AnswerBot

• What is the cause and solution for SAP error message EA579 - tRFC ports cannot be copied! ?

  The SAP error message EA579, which states "tRFC ports cannot be copied," typically occurs in the context of configuring or managing tRFC (Transactional Remote Function Call) settings in an SAP system. This error can arise during attempts to copy or modify tRFC ports in the system.
  Cause:
  
  Incorrect Configuration: The error may occur if there is an attempt to copy tRFC ports that are not configured correctly or if the source and target systems have incompatible configurations.
  System Restrictions: Certain system restrictions or settings may prevent the copying of tRFC ports, especially if they are linked to specific logical systems or communication settings.
  Authorization Issues: Lack of proper authorizations for the user trying to perform the copy operation can also lead to this error.
  Technical Issues: There may be underlying technical issues with the SAP system, such as inconsistencies in the database or issues with the transport layer.
  
  Solution:
  
  Check Configuration: Review the configuration of the tRFC ports in both the source and target systems. Ensure that they are set up correctly and that there are no discrepancies.
  Manual Creation: Instead of copying the tRFC ports, consider manually creating the required ports in the target system. This can help avoid issues related to copying.
  Authorization Check: Ensure that the user performing the operation has the necessary authorizations to copy tRFC ports. You may need to consult with your SAP security team to verify this.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates that resolve known issues related to tRFC port copying.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed guidance based on the specific configuration and version of your SAP system.
  
  Related Information:
  
  tRFC Overview: tRFC is a protocol used in SAP for asynchronous communication between systems. It ensures that the data is reliably transmitted even in the event of network failures.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM58 (for monitoring tRFC queues) and WE20 (for partner profiles) to manage and troubleshoot tRFC settings.
  Documentation: Review SAP documentation related to tRFC and remote function calls for best practices and configuration guidelines.
  
  By following these steps, you should be able to diagnose and resolve the EA579 error in your SAP system.