How To Fix GW475 - Time limit exceeded, connection closed

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 475

• Message text: Time limit exceeded, connection 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 GW475 - Time limit exceeded, connection closed ?

  The SAP error message GW475 ("Time limit exceeded, connection closed") typically occurs in the context of SAP Gateway or when there are issues with the communication between the SAP system and an external system or client. This error indicates that a request to the SAP system took too long to process, leading to a timeout and the subsequent closure of the connection.
  Causes:
  
  Long Processing Time: The request being processed by the SAP system is taking longer than the configured timeout period.
  Network Issues: There may be network latency or connectivity issues between the client and the SAP server.
  Resource Constraints: The SAP server may be under heavy load, causing delays in processing requests.
  Configuration Settings: Timeout settings in the SAP Gateway or the client application may be set too low.
  Inefficient Code: Custom code or poorly optimized queries can lead to long processing times.
  
  Solutions:
  
  
  Increase Timeout Settings:
  
  Check and increase the timeout settings in the SAP Gateway configuration (e.g., gw/timeout parameter).
  Adjust the timeout settings in the client application if applicable.
  
  
  
  Optimize Performance:
  
  Review and optimize any custom code or queries that may be causing delays.
  Analyze performance using transaction codes like ST05 (SQL Trace) or ST12 (Performance Analysis).
  
  
  
  Monitor System Load:
  
  Use transaction codes like SM50 or SM66 to monitor the workload on the SAP system.
  Identify and resolve any bottlenecks or resource constraints.
  
  
  
  Network Diagnostics:
  
  Check for network issues using tools like ping or traceroute to ensure stable connectivity.
  Consult with network administrators to identify and resolve any network-related problems.
  
  
  
  Review Logs:
  
  Check the SAP Gateway logs (transaction code /IWFND/ERROR_LOG) for more detailed error messages that can provide insights into the issue.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to GW475.
  
  
  
  Related Information:
  
  SAP Gateway Configuration: Familiarize yourself with the configuration settings for SAP Gateway, including timeout parameters.
  Performance Tuning: Consider engaging in performance tuning practices for both the SAP system and the underlying database.
  SAP Community: Engage with the SAP Community forums for insights and shared experiences from other users who may have encountered similar issues.
  
  By addressing the potential causes and implementing the suggested solutions, you should be able to resolve the GW475 error and improve the stability of the connection to the SAP system.