A PowerShell tool (Console + GUI) for testing FTP server reliability...

A PowerShell tool designed to thoroughly test FTP server reliability — especially useful for diagnosing intermittent Scan to FTP / Scan to Folder failures on printers (Kyocera, Ricoh, HP, Xerox, etc.).

• Full login → change directory → upload → logoff cycle (repeated)
• Configurable number of test loops
• Passive / Active mode support
• Automatic retries on failure
• Optional file integrity verification (SHA256)
• Detailed per-test timing (Login + Upload in milliseconds)
• DNS reliability check (detects flaky name resolution)
• Progress bar + live status
• Optional detailed logging to text file
• Creates dummy test files of different sizes (1KB → 1MB)
• Reads settings from ftpconfig.ini or prompts interactively

Many printers fail intermittently when scanning to FTP. Common root causes include:

• Unreliable DNS resolution (hostname works only part of the time)
• FTP server rate limiting / connection limits
• Passive mode / firewall issues
• Slow authentication on Windows IIS FTP
• Files being moved/deleted immediately after upload

This script helps isolate those problems quickly.

• Windows PowerShell 5.1 or PowerShell 7+
• Network access to the FTP server
• Execution policy that allows local scripts
  (Set-ExecutionPolicy RemoteSigned -Scope CurrentUser)

1. Download FtpLoadTest.ps1
2. (Optional) Create ftpconfig.ini in the same folder
3. Run the script:

.\FtpLoadTest.ps1