How To Fix 00478 - Communication system error: confirmed failed

00478 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 478

• Message text: Communication system error: confirmed failed

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 00478 - Communication system error: confirmed failed ?

  The SAP error message "00478 Communication system error: confirmed failed" typically indicates a problem with the communication between the SAP system and an external system or service. This error can occur in various contexts, such as during remote function calls (RFC), when using the SAP Business Connector, or when integrating with other systems.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the external system.
  Configuration Errors: Incorrect configuration settings in the RFC destination or in the external system can lead to communication failures.
  Timeouts: The communication may be timing out due to slow response times from the external system.
  System Overload: The external system may be overloaded or down, causing it to be unable to respond to requests.
  Authorization Issues: The user or service account used for the communication may not have the necessary permissions.
  Firewall or Security Settings: Firewalls or security settings may be blocking the communication.
  
  Solutions:
  
  Check Network Connectivity: Ensure