How To Fix SMMSS_ALERTS030 - Memory is set to FIXED and no R/3 work processes are present on DB server

SAP Error Message - Details

• Message type: E = Error

• Message class: SMMSS_ALERTS - Message class for MSSQL rz20 messages

• Message number: 030

• Message text: Memory is set to FIXED and no R/3 work processes are present on DB server

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMMSS_ALERTS030 - Memory is set to FIXED and no R/3 work processes are present on DB server ?

  The SAP error message SMMSS_ALERTS030 indicates that the memory allocation for the SAP system is set to FIXED, and there are no R/3 work processes available on the database server. This can lead to performance issues or the inability to process requests effectively.
  Cause:
  
  Fixed Memory Allocation: The SAP system is configured to use a fixed amount of memory, which can limit the flexibility of resource allocation based on demand.
  No R/3 Work Processes: This typically means that the application server is not able to start any work processes, which could be due to configuration issues, resource limitations, or other underlying problems.
  Database Server Configuration: The database server may not be configured correctly to handle the required work processes, or it may be experiencing resource constraints (CPU, memory, etc.).
  
  Solution:
  
  
  Check Configuration:
  
  Review the SAP instance profile parameters related to memory allocation. Look for parameters like rdisp/wp_no_dia, rdisp/wp_no_btc, and rdisp/wp_no_enq to ensure that the number of work processes is set appropriately.
  Ensure that the abap/heap_area_dia and abap/heap_area_nondia parameters are set correctly to allow for dynamic memory allocation if needed.
  
  
  
  Adjust Memory Settings:
  
  If the system is set to FIXED memory allocation, consider changing it to DYNAMIC if your environment allows for it. This can help the system allocate memory more flexibly based on current needs.
  You can change the memory settings in the instance profile and restart the instance for the changes to take effect.
  
  
  
  Check Database Server:
  
  Ensure that the database server is running and that there are no issues with the database itself. Check for any locks, performance issues, or resource constraints.
  Verify that the database user has the necessary permissions and that the database is configured to accept connections from the SAP application server.
  
  
  
  Monitor System Resources:
  
  Use monitoring tools to check the CPU, memory, and disk usage on both the application and database servers. Ensure that there are sufficient resources available for the SAP system to operate effectively.
  
  
  
  Restart SAP Services:
  
  If changes are made to the configuration, restart the SAP services to apply the new settings. This may involve stopping and starting the SAP instance.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Basis Administration: Understanding the role of SAP Basis in managing system configurations, including memory settings and work processes.
  SAP Instance Profiles: Familiarity with how to edit and manage instance profiles in SAP to adjust parameters related to memory and work processes.
  Performance Monitoring: Tools like SAP Solution Manager or other third-party monitoring solutions can help track system performance and identify bottlenecks.
  
  If the issue persists after following these steps, it may be necessary to engage SAP support for further assistance.