How To Fix SZDM_LOCK819 - MS subsystem separation not activated. Error &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SZDM_LOCK - To be used for messages due to read only locks

• Message number: 819

• Message text: MS subsystem separation not activated. Error &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SZDM_LOCK819 - MS subsystem separation not activated. Error &1 ?

  The SAP error message SZDM_LOCK819 indicates that the MS (Message Server) subsystem separation is not activated. This error typically arises in the context of SAP systems that are configured to use multiple application servers, and it relates to the locking mechanism used by the system.
  Cause:
  The error occurs when the system attempts to use a feature that requires the MS subsystem separation, but this feature is not enabled in the system configuration. This can happen due to:
  
  Configuration Settings: The MS subsystem separation may not be activated in the instance profile or the system parameters.
  System Version: The feature may not be supported in the current version of the SAP system you are using.
  Incorrect Setup: The setup of the SAP system may not be aligned with the requirements for using the MS subsystem separation.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Instance Profile:
  
  Go to the SAP system profile parameters (transaction RZ10).
  Look for the parameter ms/enable_subsystem_separation and ensure it is set to 1 (enabled).
  If it is not set, you will need to change it and restart the instance.
  
  
  
  Modify the Instance Profile:
  
  If you need to change the profile, you can do so by editing the instance profile in transaction RZ10.
  After making changes, save the profile and restart the SAP instance for the changes to take effect.
  
  
  
  Review Documentation:
  
  Check the SAP documentation for your specific version to ensure that the MS subsystem separation is supported and to understand any additional configuration that may be required.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may provide additional insights or patches related to this error.
  
  
  
  System Restart:
  
  After making the necessary changes, restart the SAP system to apply the new configuration.
  
  
  
  Related Information:
  
  SAP Notes: Always check for any specific SAP Notes related to your version of SAP that might address this error or provide additional context.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.