How To Fix CSM_VMC_MESSAGES002 - The connection to the local shared memory could not be established

SAP Error Message - Details

• Message type: E = Error

• Message class: CSM_VMC_MESSAGES - Error Messages and Logon Details for VMC Alert Monitors

• Message number: 002

• Message text: The connection to the local shared memory could not be established

What causes this issue?

The monitoring agent could not connect to the local shared memory. For
this reason monitoring data cannot be passed to the monitoring
architecture.

System Response

The process of collecting and passing monitoring data to the central
monitoring architecture was cancelled.

How to fix this error?

Usually the problem is due to a program error. Contact your system
administrator or the SAP help desk.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CSM_VMC_MESSAGES002 - The connection to the local shared memory could not be established ?

  The SAP error message CSM_VMC_MESSAGES002 indicates that there is an issue with establishing a connection to the local shared memory. This can occur in various scenarios, particularly when working with SAP systems that utilize shared memory for communication between processes.
  Causes:
  
  Memory Configuration Issues: The shared memory segment may not be properly configured or allocated, leading to connection failures.
  Insufficient Permissions: The user or process may not have the necessary permissions to access the shared memory segment.
  System Resource Limits: The operating system may have reached its limits on shared memory segments, preventing new connections.
  SAP Instance Issues: The SAP instance may not be running correctly, or there may be issues with the instance profile.
  Network Configuration: If the SAP system is configured to use shared memory over a network, network issues could prevent the connection.
  
  Solutions:
  
  
  Check Memory Configuration:
  
  Review the SAP instance profile parameters related to shared memory (e.g., shmmax, shmmin, shmall).
  Ensure that the shared memory settings are correctly configured in the operating system.
  
  
  
  Verify Permissions:
  
  Ensure that the user running the SAP instance has the necessary permissions to access shared memory.
  Check the ownership and permissions of the shared memory segments using system commands (e.g., ipcs on Unix/Linux).
  
  
  
  Increase System Resource Limits:
  
  If the system has reached its limits for shared memory, consider increasing the limits in the operating system configuration.
  For Unix/Linux systems, you can modify /etc/sysctl.conf or use sysctl commands to adjust shared memory settings.
  
  
  
  Restart SAP Instance:
  
  Sometimes, simply restarting the SAP instance can resolve transient issues with shared memory.
  
  
  
  Check SAP Logs:
  
  Review the SAP logs (e.g., dev_w0, dev_rfc) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Network Configuration:
  
  If applicable, check the network configuration to ensure that there are no issues preventing communication.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Refer to the SAP Basis documentation for guidance on configuring shared memory and troubleshooting related issues.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.