How To Fix CSM_VMC121 - Frequency of Client Requests

SAP Error Message - Details

• Message type: E = Error

• Message class: CSM_VMC - Messages for VM Container Monitoring

• Message number: 121

• Message text: Frequency of Client Requests

What causes this issue?

Frequency of RFC requests processed by all VMs (number of requests per
minute).

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CSM_VMC121 - Frequency of Client Requests ?

  The SAP error message CSM_VMC121, which pertains to the "Frequency of Client Requests," typically indicates that there is an issue with the frequency at which client requests are being sent to the SAP system. This can occur in various contexts, such as during data processing, integration scenarios, or when using certain SAP applications.
  Cause:
  
  High Request Frequency: The error often arises when a client is sending requests to the SAP system at a rate that exceeds the system's capacity to process them. This can lead to performance issues or even system overload.
  Network Issues: Poor network performance or configuration can cause delays in request processing, leading to a backlog of requests.
  Configuration Settings: Certain configuration settings in the SAP system may limit the number of requests that can be processed simultaneously or within a specific time frame.
  Resource Limitations: Insufficient system resources (CPU, memory, etc.) can also contribute to this error, as the system may not be able to handle the volume of requests being sent.
  
  Solution:
  
  Adjust Request Frequency: If possible, reduce the frequency of client requests. This can be done by implementing throttling mechanisms in the client application to limit the number of requests sent to the SAP system.
  Optimize Network Performance: Ensure that the network connection between the client and the SAP system is stable and has sufficient bandwidth. Address any network latency issues that may be affecting request processing.
  Review Configuration Settings: Check the configuration settings in the SAP system related to request handling. Adjust parameters that control the maximum number of concurrent requests or the time intervals for processing requests.
  Monitor System Resources: Use SAP monitoring tools to check the system's resource utilization. If the system is under heavy load, consider scaling up resources or optimizing existing processes to improve performance.
  Batch Processing: If applicable, consider implementing batch processing for requests instead of sending them individually. This can help reduce the load on the system and improve overall performance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. SAP frequently releases updates that may address known issues.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools (like ST03N, ST06, or transaction SM37) to analyze system performance and identify bottlenecks.
  Consult Documentation: Review SAP documentation for best practices on managing client requests and optimizing system performance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or your system administrator for further assistance.