How To Fix GW237 - Connection to SAP gateway terminated, check if SAP gateway has closed

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 237

• Message text: Connection to SAP gateway terminated, check if SAP gateway has closed

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GW237 - Connection to SAP gateway terminated, check if SAP gateway has closed ?

  The SAP error message GW237 indicates that the connection to the SAP Gateway has been terminated. This can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue. Below are some common causes, potential solutions, and related information for this error.
  Causes of GW237 Error
  
  
  Network Issues: Intermittent network connectivity problems can lead to the termination of the connection between the client and the SAP Gateway.
  
  
  Gateway Timeout: If the SAP Gateway is configured with a timeout setting, long-running transactions may exceed this limit, causing the connection to be closed.
  
  
  Resource Limitations: The SAP Gateway may be running out of resources (e.g., memory, CPU), leading to connection drops.
  
  
  Configuration Issues: Incorrect configuration settings in the SAP Gateway or the client application can lead to connection problems.
  
  
  SAP System Restart: If the SAP system or the Gateway service is restarted, active connections will be terminated.
  
  
  Firewall or Security Settings: Firewalls or security settings may block or terminate connections to the SAP Gateway.
  
  
  Solutions to GW237 Error
  
  
  Check Network Connectivity: Ensure that there are no network issues between the client and the SAP Gateway. You can use tools like ping or traceroute to diagnose network problems.
  
  
  Review Gateway Timeout Settings: Check the timeout settings in the SAP Gateway configuration. You may need to increase the timeout value to accommodate longer transactions.
  
  
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor the system's performance and resource usage. If the system is under heavy load, consider optimizing performance or increasing resources.
  
  
  Check Gateway Logs: Review the SAP Gateway logs for any error messages or warnings that could provide more context about the connection termination.
  
  
  Configuration Review: Verify the configuration settings for both the SAP Gateway and the client application. Ensure that they are correctly set up to communicate with each other.
  
  
  Firewall Settings: If applicable, check firewall settings to ensure that they are not blocking or terminating connections to the SAP Gateway.
  
  
  Restart the Gateway: If the issue persists, consider restarting the SAP Gateway service. However, be cautious as this will terminate all active connections.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SMGW (Gateway Monitor) to monitor the status of the SAP Gateway and SM21 (System Log) to check for system logs that may indicate issues.
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring and troubleshooting the SAP Gateway.
  
  
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the GW237 error effectively. If the problem persists, consider reaching out to SAP support for further assistance.