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Message type: E = Error
Message class: PO - Spooler message
Message number: 090
Message text: Processing group for administration tasks: Number of work processes
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PO090
- Processing group for administration tasks: Number of work processes ?The SAP error message PO090 typically indicates an issue related to the configuration of work processes in the SAP system. This error is often associated with the processing group for administration tasks, which may not have enough work processes allocated to handle the current workload.
Cause:
- Insufficient Work Processes: The number of work processes allocated for the administration tasks is not sufficient to handle the current load.
- Configuration Issues: The configuration settings for the instance profile may not be optimized for the current workload.
- High Load: There may be a high volume of background jobs or user requests that exceed the available work processes.
- System Performance: Other processes or jobs may be consuming resources, leading to a bottleneck.
Solution:
Increase Work Processes:
- Go to the SAP instance profile (usually found in the
RZ10
transaction).- Check the parameters related to work processes, such as
rdisp/wp_no_dia
,rdisp/wp_no_btc
, etc.- Increase the number of dialog or background work processes as needed.
- Save the changes and restart the instance for the changes to take effect.
Optimize Background Jobs:
- Review the scheduled background jobs in transaction
SM37
and check if there are any jobs that can be rescheduled or optimized.- Ensure that jobs are not running concurrently if they are resource-intensive.
Monitor System Performance:
- Use transaction
ST03N
to analyze the workload and identify any bottlenecks.- Check for any long-running transactions or processes that may be consuming excessive resources.
Adjust Configuration:
- Review the overall system configuration and ensure that it is aligned with the current usage patterns.
- Consider adjusting other parameters that may impact performance, such as memory settings.
Consult SAP Notes:
- Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
Related Information:
RZ10
: Profile maintenanceSM37
: Job monitoringST03N
: Workload analysisRZ11
: Profile parameter display and changeBy following these steps, you should be able to resolve the PO090 error and optimize the performance of your SAP system.
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