How To Fix WT231 - Communication failure while starting remote function call &1

WT231 - Overview

• Message type: E = Error

• Message class: WT - Retail: Replenishment

• Message number: 231

• Message text: Communication failure while starting remote function call &1

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 WT231 - Communication failure while starting remote function call &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WT231 Communication failure while starting remote function call &1
  
  
  Cause:
  This error occurs when there is a communication problem during the initiation of a Remote Function Call (RFC) from one SAP system to another. The system tries to start an RFC connection, but the communication fails due to one or more of the following reasons:
  
  Network issues: The network connection between the calling system and the target system is down or unstable.
  Incorrect RFC destination configuration: The RFC destination (SM59) is incorrectly configured (wrong target host, system number, or protocol).
  Target system is down or not reachable: The target SAP system is not running or is not reachable from the source system.
  Authorization problems: The user used for the RFC connection does not have the required authorizations.
  Firewall or security settings: Firewalls or security settings block the communication port used for the RFC.
  SAP Gateway issues: The