How To Fix 5A173 - CPI-C error & during accept

SAP Error Message - Details

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 173

• Message text: CPI-C error & during accept

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5A173 - CPI-C error & during accept ?

  The SAP error message 5A173 typically indicates a CPI-C error that occurs during communication between SAP systems or between an SAP system and an external system. This error can arise due to various reasons, including network issues, configuration problems, or issues with the SAP system itself.
  Causes of Error 5A173
  
  Network Issues: Problems with the network connection between the SAP systems can lead to communication failures.
  Configuration Errors: Incorrect settings in the CPI-C configuration, such as incorrect partner profiles or missing logical system definitions.
  Resource Limitations: Insufficient resources on the server, such as memory or CPU, can cause communication failures.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Firewall or Security Settings: Firewalls or security settings may block the communication between systems.
  
  Solutions to Error 5A173
  
  Check Network Connectivity: Ensure that the network connection between the systems is stable and that there are no interruptions.
  Review CPI-C Configuration:
  
  Verify the CPI-C settings in transaction SM59 (RFC Destinations).
  Ensure that the logical systems are correctly defined in transaction SALE (Logical System).
  Check the partner profiles in transaction WE20 to ensure they are correctly configured.
  
  
  Monitor System Resources: Use transaction SM50 or SM66 to check for any resource bottlenecks on the server.
  Check System Status: Ensure that the target system is up and running and that there are no ongoing maintenance activities.
  Firewall Settings: Review firewall settings to ensure that the necessary ports for CPI-C communication are open.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information
  
  CPI-C Protocol: CPI-C (Common Programming Interface - Communication) is a protocol used for communication between SAP systems and other systems. Understanding how CPI-C works can help in troubleshooting.
  Transaction Codes:
  
  SM59: For managing RFC destinations.
  WE20: For managing partner profiles.
  SM50/SM66: For monitoring work processes and system performance.
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the 5A173 CPI-C error effectively.