How To Fix GW450 - No memory available

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 450

• Message text: No memory available

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 GW450 - No memory available ?

  The SAP error message GW450 ("No memory available") typically indicates that the SAP Gateway is unable to allocate memory for processing requests. This can occur due to various reasons, including system resource limitations, configuration issues, or memory leaks.
  Causes:
  
  Insufficient Memory Allocation: The SAP system may not have enough memory allocated to handle the current workload.
  High Load: A sudden spike in user requests or background jobs can exhaust available memory.
  Memory Leaks: Certain applications or processes may not release memory properly, leading to gradual depletion of available memory.
  Configuration Issues: Incorrect settings in the SAP Gateway or related components can lead to inefficient memory usage.
  Operating System Limits: The underlying operating system may impose limits on memory usage that affect the SAP system.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Review and adjust the memory settings in the SAP profile parameters (e.g., abap/heap_area_total, abap/heap_area_dia, etc.) to allocate more memory to the SAP instance.
  Use transaction RZ10 to modify the instance profile and restart the instance for changes to take effect.
  
  
  
  Monitor System Load:
  
  Use transaction SM50 to monitor active processes and identify any that are consuming excessive resources.
  Check for long-running jobs or processes that may be hogging memory.
  
  
  
  Check for Memory Leaks:
  
  Analyze the system for any custom code or third-party applications that may be causing memory leaks.
  Use transaction ST02 (Tune Summary) to check for memory usage and identify areas where memory is not being released.
  
  
  
  Optimize Gateway Configuration:
  
  Review the configuration of the SAP Gateway and ensure it is optimized for the current workload.
  Consider adjusting the number of work processes or the configuration of the Gateway itself.
  
  
  
  System Restart:
  
  If the issue persists, consider restarting the SAP instance to clear memory and reset processes.
  
  
  
  Operating System Configuration:
  
  Check the operating system settings to ensure that there are no limits on memory usage that could affect the SAP system.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to memory management and the GW450 error.
  
  
  
  Related Information:
  
  Monitoring Tools: Use tools like SAP Solution Manager or other monitoring solutions to keep track of system performance and memory usage.
  Performance Tuning: Regularly perform performance tuning and system checks to prevent memory-related issues.
  Documentation: Refer to SAP documentation for best practices on memory management and configuration settings.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.