How To Fix VIRT150 - Used Virtual Memory

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 150

• Message text: Used Virtual Memory

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 VIRT150 - Used Virtual Memory ?

  The SAP error message VIRT150 indicates that the system has reached its limit for used virtual memory. This can occur in environments where the SAP system is running on a server with limited memory resources or when the configuration settings for memory usage are not optimized.
  Cause:
  
  Insufficient Physical Memory: The server may not have enough physical RAM to support the operations of the SAP system, leading to excessive use of virtual memory.
  Memory Configuration: The SAP instance may be configured to use more memory than is available, causing it to rely heavily on virtual memory.
  Memory Leaks: Certain applications or processes may have memory leaks, consuming more memory over time and leading to exhaustion of available virtual memory.
  High Workload: A sudden increase in workload or concurrent users can lead to increased memory consumption.
  
  Solution:
  
  Increase Physical Memory: If possible, add more RAM to the server to accommodate the needs of the SAP system.
  Optimize Memory Configuration:
  
  Review and adjust the SAP memory parameters (e.g., abap/heap_area_total, abap/heap_area_dia, etc.) in the instance profile to ensure they are set appropriately for the available resources.
  Use transaction RZ10 to modify the instance profile settings.
  
  
  Monitor and Analyze Memory Usage:
  
  Use transaction ST02 (Tune Summary) to monitor memory usage and identify any areas where memory is being consumed excessively.
  Check for any long-running transactions or background jobs that may be consuming memory.
  
  
  Identify and Fix Memory Leaks: 
  
  Use tools like ST22 (Dump Analysis) to check for short dumps that may indicate memory leaks.
  Review custom code or third-party applications for inefficiencies.
  
  
  Limit Concurrent Users: If the system is under heavy load, consider limiting the number of concurrent users or scheduling batch jobs during off-peak hours.
  Restart the SAP Instance: As a temporary measure, restarting the SAP instance can free up memory, but this is not a long-term solution.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and performance tuning for specific guidance and best practices.
  System Monitoring: Regularly monitor system performance using tools like SAP Solution Manager or other monitoring solutions to proactively manage memory usage.
  Documentation: Refer to SAP documentation for guidelines on memory management and configuration settings specific to your version of SAP.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the VIRT150 error and improve the overall performance of your SAP system.