Logging in with a Non-existent-user

TLDR - Quick Summary

Problem: Attempting to login with a non-existent SFTP user

Symptom: FileZilla and WinSCP repeatedly prompt for password

Solution: Verify the username exists in SFTP Gateway admin portal

Overview

This article covers various error messages you may encounter when connecting as an SFTP user that doesn't exist.

FileZilla

If the SFTP user does not exist, FileZilla prompts you again for the password.

WinSCP

WinSCP does the same thing: