How To Fix 00445 - No memory available

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 445

• 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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Smart SAP Assistant

• What is the cause and solution for SAP error message 00445 - No memory available ?

  The SAP error message "00445 No memory available" typically indicates that the SAP system has run out of memory resources to perform a specific operation. This can occur in various contexts, such as during report execution, data processing, or when trying to load large datasets.
  Causes:
  
  Insufficient Memory Allocation: The SAP instance may not have enough memory allocated to handle the current workload.
  High Workload: A sudden spike in user activity or background jobs can lead to memory exhaustion.
  Memory Leaks: Certain programs or transactions may not release memory properly, leading to gradual depletion of available memory.
  Configuration Issues: Incorrect settings in the SAP profile parameters related to memory management can contribute to this issue.
  Large Data Sets: Attempting to process or load large volumes of data can exceed the available memory.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Adjust the SAP instance profile parameters to allocate more memory. Key parameters include abap/heap_area_dia, abap/heap_area_nondia, and abap/heap_area_total.
  Restart the SAP instance after making changes to the profile parameters.
  
  
  
  Optimize Programs:
  
  Review and optimize ABAP programs or reports that are consuming excessive memory. This may involve improving data handling, using more efficient algorithms, or breaking down large processes into smaller chunks.
  
  
  
  Monitor and Manage Workload:
  
  Use transaction codes like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze system performance and identify bottlenecks.
  Schedule background jobs during off-peak hours to reduce the load on the system.
  
  
  
  Check for Memory Leaks:
  
  Use transaction ST22 (Dump Analysis) to check for short dumps related to memory issues. Investigate and fix any identified memory leaks in custom code.
  
  
  
  Database Optimization:
  
  Ensure that the database is properly tuned and that indexes are maintained. Poor database performance can lead to increased memory usage.
  
  
  
  Upgrade Hardware:
  
  If the system consistently runs out of memory, consider upgrading the server hardware to provide more RAM.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to memory management. Some relevant notes may provide insights into known issues and fixes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Documentation: Review SAP documentation on memory management and performance tuning for best practices.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the occurrence of the "00445 No memory available" error in your SAP environment.