How To Fix GW025 - Connection no longer used

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 025

• Message text: Connection no longer used

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.

What else can you do?

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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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message GW025 - Connection no longer used ?

  The SAP error message GW025 ("Connection no longer used") typically occurs in the context of SAP Gateway and indicates that a connection to the backend system has been lost or is no longer valid. This can happen for various reasons, including network issues, timeout settings, or configuration problems.
  Causes:
  
  Network Issues: Temporary network disruptions can cause the connection to drop.
  Timeout Settings: If the connection remains idle for too long, it may time out and be closed by the server.
  Configuration Errors: Incorrect settings in the SAP Gateway or backend system can lead to connection issues.
  Resource Limitations: If the backend system is under heavy load, it may not be able to maintain all connections.
  Firewall or Security Settings: Firewalls or security settings may block or terminate connections.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP Gateway and the backend system. You can use tools like ping or traceroute to diagnose connectivity.
  Review Timeout Settings: Check the timeout settings in both the SAP Gateway and the backend system. You may need to increase the timeout values to prevent premature disconnections.
  Configuration Review: Verify the configuration settings in the SAP Gateway and the backend system. Ensure that they are correctly set up to allow for persistent connections.
  Monitor System Load: Check the performance and load on the backend system. If it is overloaded, consider optimizing the system or increasing resources.
  Firewall Settings: Review firewall and security settings to ensure that they are not blocking or terminating the connection.
  Restart Services: Sometimes, simply restarting the SAP Gateway or the backend services can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the GW025 error. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Use transaction codes like SM21 (System Log) and SM37 (Job Monitoring) to check for any related errors or logs that might provide more context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.