How To Fix GW739 - Partner has already logged off

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 739

• Message text: Partner has already logged off

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 GW739 - Partner has already logged off ?

  The SAP error message GW739 ("Partner has already logged off") typically occurs in the context of SAP Gateway or when using remote function calls (RFC). This error indicates that the communication partner (another SAP system or an external application) has logged off or is no longer available for communication.
  Causes:
  
  Session Timeout: The partner system may have a session timeout configured, and the session has expired.
  Network Issues: There may be network connectivity problems that prevent the systems from communicating.
  System Shutdown: The partner system may have been shut down or restarted.
  Configuration Issues: Incorrect configuration in the RFC destination or Gateway settings can lead to this error.
  User Logoff: The user session in the partner system may have been terminated manually or due to inactivity.
  
  Solutions:
  
  Check Session Status: Verify if the partner system is up and running. You can do this by logging into the partner system and checking the active sessions.
  Reconnect: If the session has timed out, try to reconnect or re-establish the session.
  Network Check: Ensure that there are no network issues between the two systems. You can use tools like ping or traceroute to diagnose connectivity.
  Review Configuration: Check the RFC destination settings in transaction SM59 to ensure they are correctly configured. Make sure the connection type and parameters are set correctly.
  Increase Timeout Settings: If session timeouts are causing the issue, consider increasing the timeout settings in the partner system.
  User Session Management: Ensure that user sessions are being managed properly and that users are not being logged off unexpectedly.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59: To manage RFC destinations.
  SMGW: To monitor the SAP Gateway.
  SM21: To check system logs for any related errors.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error.
  Documentation: Review SAP documentation on Gateway and RFC for best practices and troubleshooting steps.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.