How To Fix RT220 - Number of update1 work processes

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 220

• Message text: Number of update1 work processes

What causes this issue?

Technical constraints:
There must be at least one work process of the Update 1 type
(high-priority update) on at least one server for each system.
You can set the number of these work processes using system parameter
<ZH>rdisp/wp_no_vb</>.
For more information about this topic, see SAP Note 39412 (How many
work processes to configure).

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RT220 - Number of update1 work processes ?

  The SAP error message RT220, which indicates "Number of update work processes," typically arises when there are issues related to the configuration or availability of update work processes in the SAP system. This error can occur in various scenarios, such as during system startup, when processing updates, or when there are performance issues.
  Cause:
  
  Insufficient Update Work Processes: The number of update work processes configured in the system may be too low to handle the current workload.
  Configuration Issues: The SAP system may not be configured correctly, leading to an inadequate number of update work processes.
  System Load: High system load or a large number of update requests can overwhelm the available update work processes.
  Resource Constraints: Limited system resources (CPU, memory) can prevent the update work processes from functioning optimally.
  Deadlocks or Long-running Transactions: If there are long-running transactions or deadlocks, it can lead to the unavailability of update work processes.
  
  Solution:
  
  
  Increase the Number of Update Work Processes:
  
  Go to the SAP profile parameters (transaction RZ10) and increase the number of update work processes. The parameter to adjust is rdisp/wp_no_update.
  After making changes, restart the SAP instance for the changes to take effect.
  
  
  
  Monitor System Performance:
  
  Use transaction ST03 or ST06 to monitor system performance and identify bottlenecks.
  Check for long-running transactions or processes that may be blocking update work processes.
  
  
  
  Check for Deadlocks:
  
  Use transaction SM21 to check the system log for any deadlocks or errors that may be affecting update processing.
  Resolve any identified deadlocks or issues.
  
  
  
  Review Background Jobs:
  
  Check for any background jobs that may be consuming excessive resources or causing delays in processing updates.
  
  
  
  Optimize Database Performance:
  
  Ensure that the database is optimized and that there are no performance issues affecting the update processes.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to the RT220 error.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RZ10 (Profile Maintenance)
  ST03 (Workload Analysis)
  ST06 (Operating System Monitor)
  SM21 (System Log)
  SM37 (Job Monitoring)
  
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring work processes and troubleshooting performance issues.
  
  
  SAP Community: Engage with the SAP Community forums for insights and solutions shared by other SAP professionals who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the RT220 error in your SAP system.