Port & Network Error
Fix "Port 5173 is in use, trying another one... (Vite Dev Server)"
Developer guide and instant terminal command to diagnose and solve this error.
Terminal Output
$Port 5173 is in use, trying another one... (Vite)
Why Does This Error Happen?
A previous Vite dev server instance (Vue, Svelte, or React) did not shut down cleanly and holds port 5173.
Instant Terminal One-Liner Fixes
Linux (Bash / Zsh)
kill -9 $(lsof -t -i:5173)
macOS (Terminal / iTerm2)
kill -9 $(lsof -t -i:5173)
Windows (PowerShell Run as Administrator)
Stop-Process -Id (Get-NetTCPConnection -LocalPort 5173).OwningProcess -Force
Comprehensive Step-by-Step Resolution
- 1Kill the background Node.js process locking port 5173.
- 2Start Vite again with "npm run dev".
Dedicated Companion Tool
Open ToolTroubleshoot using the Port 5173 Process Killer
Use our client-side utility with zero server upload for instant debugging.
Frequently Asked Questions
Frequently Asked Questions
Frequently Asked Questions
Everything you need to know regarding specifications, syntax, and security best practices.
A previous Vite dev server instance (Vue, Svelte, or React) did not shut down cleanly and holds port 5173.
Related Developer Errors
Port & Network
Fix "Error: listen EADDRINUSE: address already in use :::3000"
Port & Network
Fix "Error: listen EADDRINUSE: address already in use :::8080"
Port & Network
Fix "Error: listen EADDRINUSE: address already in use :::5000" (Flask / AirPlay)
Port & Network
Fix "Error: listen EADDRINUSE: address already in use :::8000" (Django / PHP)