Logging in with a Non-existent-user

TLDR - Quick Summary

Problem: Login fails when SFTP user does not exist

Symptom: FileZilla and WinSCP repeatedly prompt for password

Solution: Verify the user exists in SFTP Gateway admin interface before connecting

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: