How To Fix STC_SC_TASKS400 - SAP Workload NW Collector (SWNCCOLL) started in all instances

SAP Error Message - Details

• Message type: E = Error

• Message class: STC_SC_TASKS - System Copy Task Messages

• Message number: 400

• Message text: SAP Workload NW Collector (SWNCCOLL) started in all instances

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message STC_SC_TASKS400 - SAP Workload NW Collector (SWNCCOLL) started in all instances ?

  The SAP error message STC_SC_TASKS400 indicates that the SAP Workload NW Collector (SWNCCOLL) has been started in all instances of the system. This message typically arises in the context of the SAP Solution Manager or when monitoring and managing system performance and workload.
  Cause:
  The error message STC_SC_TASKS400 usually occurs due to one of the following reasons:
  
  
  Multiple Instances Running: The workload collector job (SWNCCOLL) is designed to run in a single instance. If it is inadvertently started in multiple instances, it can lead to conflicts and this error message.
  
  
  Configuration Issues: There may be a misconfiguration in the system settings that allows the workload collector to be triggered in all instances instead of just one.
  
  
  Job Scheduling Conflicts: If the job is scheduled incorrectly or if there are overlapping schedules, it can lead to this error.
  
  
  Solution:
  To resolve the STC_SC_TASKS400 error, you can follow these steps:
  
  
  Check Job Status:
  
  Go to transaction code SM37 to check the status of the SWNCCOLL job.
  Identify if the job is running in multiple instances.
  
  
  
  Stop Redundant Jobs:
  
  If you find that the job is running in multiple instances, stop the redundant jobs. You can do this from the job overview in SM37.
  
  
  
  Review Job Scheduling:
  
  Ensure that the SWNCCOLL job is scheduled to run only in one instance. You can check the job scheduling in transaction SM36.
  Adjust the scheduling settings to ensure that it runs in the intended instance only.
  
  
  
  Configuration Check:
  
  Review the configuration settings for the workload collector in the SAP Solution Manager or the relevant system settings to ensure they are set up correctly.
  
  
  
  Restart the Job:
  
  After making the necessary adjustments, restart the SWNCCOLL job in the designated instance.
  
  
  
  Monitor for Recurrence:
  
  After resolving the issue, monitor the system to ensure that the error does not recur.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM37: Job Monitoring
  SM36: Job Scheduling
  ST22: Dump Analysis (if applicable)
  SMD: Solution Manager Diagnostics (for further analysis)
  
  
  
  Documentation: Refer to SAP Notes and documentation related to the workload collector and job scheduling for more detailed guidance.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to resolve the STC_SC_TASKS400 error and ensure that the SAP Workload NW Collector operates correctly within your system.