How To Fix /INCMD/MSG403 - Cannot clear shared memory

SAP Error Message - Details

• Message type: E = Error

• Message class: /INCMD/MSG -

• Message number: 403

• Message text: Cannot clear shared 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.

What else can you do?

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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 /INCMD/MSG403 - Cannot clear shared memory ?

  The SAP error message /INCMD/MSG403 Cannot clear shared memory typically indicates an issue with the shared memory management in the SAP system. This error can occur for various reasons, including:
  Causes:
  
  Insufficient Permissions: The user or process attempting to clear the shared memory may not have the necessary permissions.
  Memory Corruption: There may be corruption in the shared memory segment, preventing it from being cleared.
  System Resource Issues: The system may be running low on resources, or there may be a configuration issue with the shared memory settings.
  Running Processes: There may be active processes that are still using the shared memory, preventing it from being cleared.
  Configuration Errors: Incorrect configuration settings in the SAP system related to shared memory management.
  
  Solutions:
  
  Check Permissions: Ensure that the user or process has the necessary permissions to clear shared memory. This may involve checking user roles and authorizations.
  Restart the SAP System: If the issue is due to memory corruption or active processes, restarting the SAP system can help clear the shared memory.
  Check for Active Processes: Use transaction codes like SM50 or SM66 to check for any active processes that may be using the shared memory. Terminate any unnecessary processes.
  Review Configuration Settings: Check the configuration settings for shared memory in the SAP system. This may involve reviewing parameters in the instance profile or using transaction RZ10.
  Monitor System Resources: Use transaction ST02 (Tune Summary) to monitor memory usage and identify any bottlenecks or issues with memory allocation.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM50 (Process Overview), SM66 (Global Process Overview), ST02 (Tune Summary), and RZ10 (Profile Maintenance) for monitoring and managing processes and memory.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance. Provide them with detailed logs and system information to help diagnose the problem.
  Documentation: Review SAP documentation related to shared memory management for best practices and configuration guidelines.
  
  By following these steps, you should be able to diagnose and resolve the /INCMD/MSG403 Cannot clear shared memory error in your SAP system.