How To Fix GW477 - Communication system error; confirm failed

GW477 - Overview

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 477

• Message text: Communication system error; confirm 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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Smart SAP Assistant

• What is the cause and solution for SAP error message GW477 - Communication system error; confirm failed ?

  The SAP error message GW477, which indicates a "Communication system error; confirm failed," typically arises in the context of SAP Gateway or when there are issues with communication between SAP systems or between an SAP system and an external system. This error can occur during various operations, such as when trying to send or receive data via OData services or when using remote function calls (RFC).
  Causes:
  
  Network Issues: Problems with the network connection between the SAP system and the external system can lead to communication failures.
  Configuration Errors: Incorrect configuration of the SAP Gateway or the destination system can result in communication errors.
  Service Availability: The OData service or the RFC destination may not be active or properly configured.
  Authorization Issues: Lack of proper authorizations for the user or service account trying to perform the operation.
  Timeouts: Long response times from the external system can lead to timeouts and subsequent errors.
  System Load: High load on