How To Fix KX957 - Queue & CPI-C INIT Error &

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 957

• Message text: Queue & CPI-C INIT Error &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KX957 - Queue & CPI-C INIT Error & ?

  The SAP error message KX957, which indicates a "Queue & CPI-C INIT Error," typically relates to issues with the communication between SAP systems, particularly when using the CPI-C (Common Programming Interface for Communication) protocol. This error can occur in various scenarios, such as when trying to establish a connection to a remote system or when there are issues with the configuration of the communication parameters.
  Causes of KX957 Error
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to this error. This includes issues like firewalls blocking the communication or network outages.
  
  
  Configuration Errors: Incorrect configuration settings in the SAP system, such as incorrect CPI-C parameters, can cause this error. This includes settings in transaction codes like SM59 (RFC destinations) or SICF (HTTP services).
  
  
  System Resource Limitations: If the system is running low on resources (like memory or CPU), it may not be able to handle the communication requests properly.
  
  
  Version Compatibility: Incompatibility between different versions of SAP systems can also lead to communication errors.
  
  
  Queue Management Issues: Problems with the queue management system, such as locked queues or issues with the message server, can trigger this error.
  
  
  Solutions to KX957 Error
  
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the SAP systems. You can use tools like ping or traceroute to diagnose network issues.
  
  
  Review Configuration Settings:
  
  Go to transaction SM59 and check the RFC destination settings. Ensure that the connection parameters are correct.
  Verify the CPI-C settings in the SAP system and ensure they are configured correctly.
  
  
  
  Monitor System Resources: Check the system's resource usage (memory, CPU, etc.) using transaction SM50 or SM66. If resources are low, consider optimizing the system or increasing resources.
  
  
  Check for Locks: Use transaction SM12 to check for any locked entries that might be causing issues with the queue management.
  
  
  Review Logs: Check the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages that might provide more context about the issue.
  
  
  Restart Services: Sometimes, restarting the affected services or the entire SAP system can resolve temporary issues.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that can resolve the issue.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59 (RFC destinations), SM21 (system log), ST22 (dump analysis), and SM12 (lock entries).
  Documentation: Review SAP documentation related to CPI-C and communication protocols for more detailed information on configuration and troubleshooting.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the KX957 error effectively.