How To Fix RLFW073 - Subsystem isolation is inactive, but some server have a server group.

SAP Error Message - Details

• Message type: E = Error

• Message class: RLFW - Messages for runlevel framework

• Message number: 073

• Message text: Subsystem isolation is inactive, but some server have a server group.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RLFW073 - Subsystem isolation is inactive, but some server have a server group. ?

  The SAP error message RLFW073 indicates that the subsystem isolation feature is inactive, but there are servers in the system that are part of a server group. This situation can lead to issues with load balancing and resource allocation in your SAP environment.
  Cause:
  
  Subsystem Isolation Inactive: The subsystem isolation feature is not enabled in your SAP system. This feature is designed to isolate different subsystems (like dialog, background, etc.) to improve performance and resource management.
  Server Group Configuration: The presence of a server group implies that there are multiple application servers configured to handle requests. If subsystem isolation is not active, it can lead to inefficient resource usage and potential performance bottlenecks.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Enable Subsystem Isolation:
  
  Go to the SAP system configuration (transaction code RZ10).
  Check the profile parameters related to subsystem isolation. The relevant parameter is rdisp/isolated_subsystem.
  Set this parameter to 1 to enable subsystem isolation.
  Save the changes and restart the SAP instance for the changes to take effect.
  
  
  
  Review Server Group Configuration:
  
  Ensure that the server group is correctly configured and that the servers are appropriately assigned to the group.
  You can check the server group settings in transaction code SMLG (Load Balancing Groups).
  
  
  
  Monitor Performance:
  
  After enabling subsystem isolation, monitor the performance of your SAP system to ensure that it is functioning as expected.
  Use transaction codes like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze performance metrics.
  
  
  
  Related Information:
  
  Documentation: Refer to the SAP Help Portal for detailed documentation on subsystem isolation and server groups.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  Support: If the issue persists after making the changes, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to resolve the RLFW073 error and improve the performance of your SAP system.