How To Fix GW066 - Socket option keep-alive activated for clients

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 066

• Message text: Socket option keep-alive activated for clients

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 GW066 - Socket option keep-alive activated for clients ?

  The SAP error message GW066 indicates that the socket option for keep-alive has been activated for clients. This message typically arises in the context of SAP Gateway and can be related to network connectivity issues or configuration settings.
  Cause:
  The error can occur due to several reasons:
  
  Network Configuration: The keep-alive option is used to check if a connection is still active. If the network configuration is not set up correctly, it may lead to this error.
  Timeout Settings: If the timeout settings for the connection are too short, it may cause the connection to drop, leading to this error message.
  Firewall or Proxy Issues: Firewalls or proxies may interfere with the keep-alive packets, causing the connection to be perceived as inactive.
  Client-Side Issues: The client application may not be handling the keep-alive packets correctly.
  
  Solution:
  To resolve the GW066 error, you can try the following steps:
  
  
  Check Network Configuration:
  
  Ensure that the network settings are correctly configured for both the SAP server and the client.
  Verify that there are no issues with the network infrastructure that could be causing interruptions.
  
  
  
  Adjust Timeout Settings:
  
  Review and adjust the timeout settings for the SAP Gateway and the client application. Increasing the timeout values may help maintain the connection.
  
  
  
  Firewall/Proxy Configuration:
  
  Check the firewall and proxy settings to ensure that they are not blocking keep-alive packets. You may need to allow specific ports or protocols used by SAP.
  
  
  
  Client Application Settings:
  
  If you are using a custom client application, ensure that it is properly configured to handle keep-alive packets. This may involve updating the application or its libraries.
  
  
  
  SAP Notes and Patches:
  
  Check for any relevant SAP Notes or patches that may address this issue. SAP frequently releases updates that can resolve known issues.
  
  
  
  Monitoring and Logging:
  
  Enable logging on both the SAP server and the client to gather more information about the connection and identify the root cause of the issue.
  
  
  
  Related Information:
  
  SAP Gateway: The SAP Gateway is responsible for communication between SAP systems and external applications. Understanding its configuration can help in troubleshooting.
  Keep-Alive Mechanism: This is a TCP feature that helps maintain a connection by sending periodic packets. Familiarity with how this works can aid in diagnosing issues.
  SAP Community and Support: Engaging with the SAP Community or reaching out to SAP Support can provide additional insights and solutions from other users who may have faced similar issues.
  
  By following these steps, you should be able to diagnose and resolve the GW066 error effectively.