How To Fix KX728 - CPIC &: Communication parameters incorrect

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 728

• Message text: CPIC &: Communication parameters incorrect

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 KX728 - CPIC &: Communication parameters incorrect ?

  The SAP error message KX728, which states "CPIC &: Communication parameters incorrect," typically indicates an issue with the communication parameters used for connecting to a database or another SAP system. This error can occur in various scenarios, such as when trying to connect to a remote system or when there are issues with the configuration of the communication settings.
  Causes:
  
  Incorrect Connection Parameters: The parameters used for the connection (like hostname, port, user credentials) may be incorrect or not properly configured.
  Network Issues: There may be network connectivity issues between the SAP system and the target system.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between the systems.
  SAP Gateway Issues: The SAP Gateway might not be configured correctly or may not be running.
  Configuration Errors: Errors in the configuration of the RFC (Remote Function Call) destination in the SAP system.
  
  Solutions:
  
  
  Check Connection Parameters:
  
  Verify the connection parameters (hostname, port, user ID, password) in the RFC destination configuration.
  Ensure that the parameters match those required by the target system.
  
  
  
  Test Network Connectivity:
  
  Use tools like ping or telnet to check if the target system is reachable from the SAP system.
  Ensure that there are no network issues preventing communication.
  
  
  
  Review Firewall Settings:
  
  Check if any firewalls are blocking the required ports for communication.
  Ensure that the necessary ports are open for both inbound and outbound traffic.
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway is running and properly configured.
  You can check the status of the gateway using transaction code SMGW.
  
  
  
  Review RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Test the connection from this transaction to see if it succeeds.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and the developer trace files (transaction ST11) for any additional error messages that might provide more context.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes or documentation related to the specific version of SAP you are using for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  SMGW: To monitor the SAP Gateway.
  SM21: To view system logs.
  ST11: To check developer traces.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  If the issue persists after following these steps, it may be beneficial to contact SAP support for further assistance.