How To Fix TG239 - RFC logoff from SAP system

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 239

• Message text: RFC logoff from SAP system

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 TG239 - RFC logoff from SAP system ?

  The SAP error message TG239 indicates that there has been an RFC (Remote Function Call) logoff from the SAP system. This can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of TG239 RFC Logoff Error
  
  
  Network Issues: Intermittent network connectivity problems can lead to disconnections between the SAP application and the database or other systems.
  
  
  Timeout Settings: If the RFC connection times out due to inactivity or if the session is not properly maintained, it can result in a logoff.
  
  
  System Configuration: Incorrect configuration of the RFC destination or the SAP system can lead to logoff issues.
  
  
  Resource Limitations: If the SAP system is under heavy load or if there are resource limitations (like memory or CPU), it may forcibly log off users.
  
  
  User Session Limits: If a user exceeds the maximum number of allowed sessions, the system may log off the user.
  
  
  Authorization Issues: If there are changes in user authorizations or roles, it may lead to unexpected logoffs.
  
  
  Solutions to TG239 RFC Logoff Error
  
  
  Check Network Connectivity: Ensure that there are no network issues affecting the connection between the SAP system and the client. This can include checking firewalls, routers, and network stability.
  
  
  Review Timeout Settings: Check the timeout settings for the RFC connections in the SAP system. You may need to adjust these settings to prevent premature logoffs.
  
  
  Verify RFC Configuration: Ensure that the RFC destination is correctly configured. You can do this by using transaction SM59 to check the settings.
  
  
  Monitor System Performance: Use transaction SM50 or SM66 to monitor system performance and check for any resource bottlenecks. If the system is overloaded, consider optimizing performance or increasing resources.
  
  
  Check User Sessions: Review the number of active sessions for the user. You can use transaction AL08 to see all active user sessions and ensure that the user is not exceeding the allowed limit.
  
  
  Review Authorizations: Check if there have been any changes to user roles or authorizations that might affect the user's ability to maintain an active session.
  
  
  Consult SAP Notes: Look for relevant SAP Notes that may address specific issues related to the TG239 error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  Related Information
  
  
  Transaction Codes: 
  
  SM59: To manage RFC destinations.
  SM50 / SM66: To monitor active processes.
  AL08: To view active user sessions.
  
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed logs and error messages to facilitate troubleshooting.
  
  
  Documentation: Review SAP documentation and community forums for additional insights and user experiences related to the TG239 error.
  
  
  By following these steps, you should be able to identify the cause of the TG239 RFC logoff error and implement a suitable solution.