How To Fix 14402 - Error establishing CPIC connection

14402 - Overview

• Message type: E = Error

• Message class: 14 - Task handler messages

• Message number: 402

• Message text: Error establishing CPIC connection

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.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 14402 - Error establishing CPIC connection ?

  The SAP error message "14402: Error establishing CPIC connection" typically indicates a problem with the connection between the SAP application server and the database or another SAP system. CPIC (Common Programming Interface for Communication) is a protocol used for communication between SAP systems and other systems.
  Causes of Error 14402
  
  
  Network Issues: There may be network connectivity problems between the SAP application server and the database or other SAP systems.
  
  
  Configuration Errors: Incorrect configuration settings in the SAP system or the database can lead to connection issues. This includes incorrect parameters in the tnsnames.ora file or the SAP connection settings.
  
  
  Database Availability: The database server may be down or not reachable due to maintenance or other issues.
  
  
  Firewall Restrictions: Firewalls may be blocking the necessary ports for communication between the SAP system and the database.
  
  
  Resource Limitations: The database server may be experiencing resource limitations, such as too many connections or insufficient memory.
  
  
  SAP Kernel Issues: There