How To Fix /IAM/CONFIG_INT203 - Error when reading shared memory

SAP Error Message - Details

• Message type: E = Error

• Message class: /IAM/CONFIG_INT -

• Message number: 203

• Message text: Error when reading 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IAM/CONFIG_INT203 - Error when reading shared memory ?

  The SAP error message /IAM/CONFIG_INT203 Error when reading shared memory typically indicates an issue with the configuration or access to shared memory in the SAP system, particularly in the context of Identity Management (IAM) or related components. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Shared Memory Configuration Issues: The shared memory segment may not be properly configured or initialized.
  Insufficient Permissions: The user or process trying to access the shared memory may not have the necessary permissions.
  Memory Limitations: The system may have reached its limit for shared memory segments, or there may be a memory leak.
  Corrupted Shared Memory: The shared memory segment could be corrupted due to improper shutdowns or crashes.
  System Resource Issues: The underlying operating system may have resource constraints affecting shared memory access.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for shared memory in the SAP system. Ensure that they are set correctly according to the system requirements.
  Permissions: Verify that the user or service account has the necessary permissions to access shared memory. This may involve checking user roles and authorizations.
  Clear Shared Memory: If the shared memory is corrupted, you may need to clear it. This can often be done by restarting the relevant SAP services or the entire SAP system.
  Increase Memory Limits: If the system is hitting memory limits, consider increasing the shared memory limits in the operating system settings.
  Check System Logs: Review the SAP system logs (transaction SM21) and the operating system logs for any related errors or warnings that could provide more context.
  Restart Services: Sometimes, simply restarting the relevant SAP services or the entire system can resolve transient issues with shared memory.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on shared memory management and configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Monitoring: Use tools like SAP Solution Manager or transaction ST02 (Buffer Management) to monitor memory usage and identify potential bottlenecks.
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP support for further assistance, providing them with detailed logs and system information to help diagnose the problem.