How To Fix KX726 - CPIC &: Communication link could not be created

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 726

• Message text: CPIC &: Communication link could not be created

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 KX726 - CPIC &: Communication link could not be created ?

  The SAP error message KX726, which states "CPIC &: Communication link could not be created," typically indicates a problem with the communication between the SAP application server and the database or another system. This error can arise from various issues, including network problems, configuration errors, or issues with the database itself.
  Causes:
  
  Network Issues: There may be a network connectivity problem between the SAP application server and the database server.
  Configuration Errors: Incorrect configuration settings in the SAP system or the database connection parameters can lead to this error.
  Database Availability: The database server may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication ports required for SAP to connect to the database.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., memory, CPU) that prevent new connections from being established.
  SAP Kernel Issues: There may be issues with the SAP kernel or the version of the database driver being used.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to verify that the SAP application server can reach the database server.
  Ensure that the network is stable and that there are no interruptions.
  
  
  
  Review Configuration Settings:
  
  Check the database connection parameters in the SAP system (e.g., DB connection settings in the SAP profile).
  Ensure that the connection string is correctly configured in the SAP system.
  
  
  
  Database Status:
  
  Verify that the database server is up and running. Check for any maintenance activities or outages.
  Look at the database logs for any errors that might indicate why connections cannot be established.
  
  
  
  Firewall and Security Settings:
  
  Ensure that the necessary ports for database communication are open in the firewall settings.
  Check for any security policies that might restrict access.
  
  
  
  Monitor Resource Usage:
  
  Check the resource usage on the database server to ensure it is not overloaded.
  If necessary, optimize the database or increase resources.
  
  
  
  Update SAP Kernel and Drivers:
  
  Ensure that you are using the latest version of the SAP kernel and database drivers.
  Apply any relevant patches or updates that may address known issues.
  
  
  
  SAP Notes and Documentation:
  
  Search for relevant SAP Notes in the SAP Support Portal that may provide additional guidance or solutions for this specific error.
  
  
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Logs and Traces: Review the SAP system logs (transaction SM21) and developer traces (transaction ST22) for more detailed error messages that can provide additional context.
  Documentation: Refer to the official SAP documentation for your specific version and database type for more detailed troubleshooting steps.
  
  By systematically checking each of these areas, you should be able to identify and resolve the cause of the KX726 error.