How To Fix B1018 - Port & is not an RFC port, or RFC destination is missing

B1018 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 018

• Message text: Port & is not an RFC port, or RFC destination is missing

What causes this issue?

Port &v1& cannot be used for the Remote Function Call (RFC). Either the
port type is incorrect or you have not entered a logical RFC
destination.

How to fix this error?

Maintain another port in the partner profile or change the
configurations of the current port.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1018 - Port & is not an RFC port, or RFC destination is missing ?

  The SAP error message B1018 indicates that there is an issue with the Remote Function Call (RFC) configuration in your SAP system. Specifically, it suggests that the specified port is not recognized as an RFC port, or that the RFC destination is missing. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Incorrect RFC Destination: The RFC destination you are trying to use may not be defined in the SAP system.
  Misconfigured RFC Port: The port specified in the configuration may not be set up correctly or may not be an RFC port.
  Network Issues: There could be network connectivity issues preventing the SAP system from reaching the specified RFC destination.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 (RFC Destinations).
  Verify that the RFC destination