How To Fix SDBALM179 - High number of OMS terminations occurred (&1 > &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: SDBALM - SAP DB and liveCache Alert Monitoring

• Message number: 179

• Message text: High number of OMS terminations occurred (&1 > &2)

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 SDBALM179 - High number of OMS terminations occurred (&1 > &2) ?

  The SAP error message SDBALM179 indicates that there have been a high number of terminations of the Online Message Server (OMS) processes, with the message format showing that the number of terminations exceeds a specified threshold. This can lead to performance issues and instability in the SAP system.
  Cause:
  The high number of OMS terminations can be caused by several factors, including:
  
  Resource Limitations: Insufficient system resources (CPU, memory, etc.) can lead to OMS processes being terminated.
  Configuration Issues: Incorrect configuration settings for the OMS or the SAP system can lead to instability.
  Network Problems: Network issues can cause communication failures between the application servers and the message server.
  High Load: A sudden increase in load or traffic can overwhelm the OMS, leading to terminations.
  Software Bugs: Bugs in the SAP software or in custom code can lead to unexpected behavior and terminations.
  
  Solution:
  To resolve the SDBALM179 error, consider the following steps:
  
  Check System Resources: Monitor the system's CPU, memory, and disk usage. Ensure that the server has adequate resources to handle the load.
  Review Configuration: Verify the configuration settings for the OMS and ensure they are set according to SAP best practices. Check parameters like rdisp/num_abap, rdisp/num_vb, and others related to the message server.
  Analyze Logs: Check the system logs (dev_w* files) for any error messages or warnings that could provide more context on the terminations.
  Network Stability: Ensure that the network connections between the application servers and the message server are stable and that there are no interruptions.
  Load Balancing: If applicable, review the load balancing configuration to ensure that the load is evenly distributed across the application servers.
  Patch and Update: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on OMS configuration and performance tuning.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the high number of OMS terminations indicated by the SDBALM179 error message.