How To Fix RZ351 - Number of dialog processes automatically results from total number.

SAP Error Message - Details

• Message type: E = Error

• Message class: RZ - Messages for Computing Center Management System

• Message number: 351

• Message text: Number of dialog processes automatically results from total number.

What causes this issue?

The number of dialog work processes cannot be directly changed. It is
calculated from the total number of work processes minus the sum of all
"non-dialog" work processes.

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

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RZ351 - Number of dialog processes automatically results from total number. ?

  The SAP error message RZ351 indicates that the number of dialog processes in the SAP system is automatically determined based on the total number of processes configured. This message typically arises when there is a configuration issue or when the system is unable to allocate the appropriate number of dialog work processes based on the current settings.
  Cause:
  
  Configuration Settings: The number of dialog processes is derived from the total number of work processes defined in the system profile parameters. If the total number of work processes is not set correctly, it can lead to this message.
  System Load: If the system is under heavy load or if there are not enough resources available, the system may not be able to allocate the desired number of dialog processes.
  Profile Parameters: The parameters related to work processes in the instance profile (like rdisp/wp_no_dia) may not be set correctly or may be conflicting with other parameters.
  
  Solution:
  
  
  Check Profile Parameters:
  
  Go to transaction RZ10 to check the instance profile parameters.
  Look for parameters like rdisp/wp_no_dia (number of dialog work processes) and rdisp/wp_no_total (total number of work processes).
  Ensure that the values are set appropriately based on your system's capacity and requirements.
  
  
  
  Adjust Work Process Configuration:
  
  If necessary, adjust the number of dialog work processes in the instance profile. This can be done by modifying the parameter rdisp/wp_no_dia to a suitable value based on your system's workload and performance requirements.
  After making changes, save the profile and restart the instance for the changes to take effect.
  
  
  
  Monitor System Performance:
  
  Use transaction SM50 to monitor the work process status and ensure that the dialog processes are being utilized effectively.
  Check for any long-running jobs or processes that may be consuming resources and affecting the allocation of dialog processes.
  
  
  
  System Resources:
  
  Ensure that the underlying hardware resources (CPU, memory) are sufficient to support the configured number of dialog processes.
  If the system is under heavy load, consider scaling up the resources or optimizing the workload.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RZ10 - Profile maintenance
  SM50 - Work process overview
  RZ03 - Display instance profile
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on work process configuration and performance tuning.
  Performance Tuning: Regularly monitor and tune the performance of your SAP system to ensure optimal operation and resource allocation.
  
  By following these steps, you should be able to resolve the RZ351 error and ensure that your SAP system is configured correctly for optimal performance.