How To Fix RSDD305 - The RFC group &1 can have a maximum of &2 work processes

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD - Message class for data manager

• Message number: 305

• Message text: The RFC group &1 can have a maximum of &2 work processes

What causes this issue?

The RFC group &V1& is configured for a maximum of &V2& work processes.
However, &V3& work processes are set for parallel processing of
aggregates. Only &v2& work processes will be processed in further
processing.

System Response

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

How to fix this error?

Procedure for System Administrators

Check the configuration of the RFC group or the settings for parallel
aggregate processing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD305 - The RFC group &1 can have a maximum of &2 work processes ?

  The SAP error message RSDD305 indicates that the number of work processes assigned to a Remote Function Call (RFC) group has exceeded the maximum limit allowed. This error typically occurs in the context of SAP BW (Business Warehouse) or when dealing with data extraction and loading processes.
  Cause:
  
  Exceeding Work Process Limit: The error arises when the number of work processes configured for a specific RFC group exceeds the maximum limit set in the system. Each RFC group can only handle a certain number of concurrent requests, and if this limit is surpassed, the error is triggered.
  Configuration Issues: The configuration settings for the RFC group may not be aligned with the system's capabilities or the expected workload.
  High Load: A sudden spike in data processing requests or a poorly optimized data flow can lead to an overload of the RFC group.
  
  Solution:
  
  
  Check RFC Group Configuration:
  
  Go to transaction SM59 to check the configuration of the RFC destination.
  Ensure that the number of work processes assigned to the RFC group is appropriate for your system's capacity.
  
  
  
  Adjust Work Process Limits:
  
  You can increase the maximum number of work processes for the RFC group if your system resources allow it. This can be done in the SAP profile parameters.
  Use transaction RZ10 to modify the instance profile parameters related to work processes. Look for parameters like rdisp/wp_no_dia (for dialog work processes) and rdisp/wp_no_btc (for background work processes).
  
  
  
  Monitor System Load:
  
  Use transaction SM66 or SM50 to monitor the current workload and see if there are any long-running processes that are consuming resources.
  Identify and optimize any long-running or inefficient processes that may be contributing to the overload.
  
  
  
  Batch Processing:
  
  If applicable, consider scheduling batch jobs during off-peak hours to reduce the load on the RFC group during peak times.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  
  
  
  Related Information:
  
  SAP Basis Administration: Understanding how to manage and configure work processes is crucial for SAP Basis administrators.
  Performance Tuning: Regular performance tuning and monitoring can help prevent such issues from occurring in the future.
  Documentation: Refer to SAP Help documentation for detailed information on RFC groups and work process management.
  
  By following these steps, you should be able to resolve the RSDD305 error and optimize the performance of your SAP system.