How To Fix TFC0605 - RFC error. Return code = &

SAP Error Message - Details

• Message type: E = Error

• Message class: TFC0 - Messages in FC

• Message number: 605

• Message text: RFC error. Return code = &

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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Smart SAP Assistant

• What is the cause and solution for SAP error message TFC0605 - RFC error. Return code = & ?

  The SAP error message TFC0605 with the description "RFC error. Return code = &" typically indicates that there is an issue with the Remote Function Call (RFC) communication between SAP systems or between an SAP system and an external system. The return code can provide additional context about the specific nature of the error.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems or between the SAP system and the external system.
  Configuration Issues: The RFC destination may not be configured correctly in the SAP system. This includes incorrect settings for the target system, such as the system ID, client number, user credentials, or connection type.
  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 due to maintenance or other issues.
  Firewall or Security Settings: Firewalls or security settings may be blocking the RFC communication.
  SAP Notes: There may be known issues or bugs related to the specific version of SAP you are using, which can be resolved by applying relevant SAP Notes.
  
  Solutions:
  
  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: Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination. Ensure that all parameters are correctly set, including the target host, system number, and user credentials.
  Test RFC Connection: In transaction SM59, you can test the RFC connection to see if it is working correctly. This will help identify if the issue is with the connection itself.
  Check Authorizations: Ensure that the user used for the RFC connection has the necessary authorizations to execute the required functions.
  Check System Status: Verify that the target system is up and running. You can check the status of the system in transaction SM51 or by contacting the system administrator.
  Review Firewall Settings: If applicable, check the firewall settings to ensure that the necessary ports for RFC communication are open.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address the specific error or return code you are encountering.
  
  Related Information:
  
  
  Return Codes: The specific return code associated with the error can provide more insight into the issue. Common return codes include:
  
  0: Success
  1: Warning
  2: Error
  3: Fatal error
  Other specific codes may indicate different issues.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more detailed information on RFC errors and troubleshooting steps.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support or your internal IT team for further assistance.