How To Fix GW757 - Client has not answered PING messages and was logged out.

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 757

• Message text: Client has not answered PING messages and was logged out.

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 GW757 - Client has not answered PING messages and was logged out. ?

  The SAP error message GW757 indicates that the client has not responded to PING messages from the SAP Gateway, leading to the client being logged out. This typically occurs in scenarios where there is a network issue, a timeout, or a problem with the SAP GUI or application server.
  Causes:
  
  Network Issues: Intermittent network connectivity problems can prevent the client from responding to PING messages.
  Timeout Settings: The timeout settings on the SAP server or client may be too short, causing the client to be logged out prematurely.
  SAP GUI Issues: Problems with the SAP GUI installation or configuration can lead to communication failures.
  Server Load: High load on the application server may cause delays in processing requests, leading to timeouts.
  Firewall/Proxy Settings: Firewalls or proxies may be blocking the PING messages or causing delays in communication.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the client and the SAP server. You can use tools like ping or tracert to diagnose connectivity.
  Adjust Timeout Settings:
  
  On the SAP server, you can adjust the timeout settings in the profile parameters. Look for parameters like rdisp/keepalive and rdisp/keepalive_timeout.
  On the client side, you can check the SAP GUI settings for timeout configurations.
  
  
  Update SAP GUI: Ensure that you are using the latest version of the SAP GUI. Sometimes, bugs in older versions can cause communication issues.
  Monitor Server Performance: Check the performance of the application server. If it is overloaded, consider optimizing the server or distributing the load.
  Review Firewall/Proxy Settings: Ensure that any firewalls or proxies are configured to allow SAP traffic and are not causing delays.
  Reconnect: If you encounter this error, try logging out and logging back into the SAP system.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to GW757 for any specific patches or updates that may address this issue.
  SAP Community: Engage with the SAP Community forums to see if other users have experienced similar issues and what solutions they found effective.
  System Logs: Review the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the GW757 error effectively.