Home/Errors/NW-31456-9
Minor Error
NW-31456-9

Connection to Server Timed Out

The connection to the server has timed out. This usually affects online gaming or downloads.

What Causes This Error?

Server timeout errors occur due to: slow internet connection, server congestion, network instability, or firewall/router blocking connections.

How to Fix It

  1. Test your internet connection speed
  2. Restart your router and PS4
  3. Try a wired connection instead of Wi-Fi
  4. Change your MTU settings:
    • Settings > Network > Set Up Internet Connection
    • Custom > MTU Settings > Manual > 1473
  5. Open necessary ports on your router:
    • TCP: 80, 443, 3478, 3479, 3480
    • UDP: 3478, 3479
  6. Try during off-peak hours

Pro Tips

  • Download speeds of at least 5 Mbps recommended
  • Upload speeds of at least 1 Mbps for online gaming
  • Consider upgrading your internet plan if issues persist

When Does This Error Appear?

This error appears when downloading games, connecting to online multiplayer, or accessing PSN services during peak hours.

Additional Troubleshooting

  • Try connecting at a different time when servers are less busy
  • Contact your ISP to check for network issues
  • Try using a mobile hotspot to test if the issue is with your home network
  • Check if other devices can connect to PSN

Frequently Asked Questions

What causes server timeout NW-31456-9?

NW-31456-9 occurs when your PS4 cannot maintain a stable connection to game servers. Causes include slow internet, server congestion during peak hours, network instability, or firewall/router blocking connections.

What internet speed do I need for PS4 online gaming?

Sony recommends at least 5 Mbps download and 1 Mbps upload for online gaming. For the best experience and to avoid NW-31456-9, faster speeds and a wired connection are recommended.

What ports should I open for PS4?

Open these ports on your router for PS4: TCP 80, 443, 3478, 3479, 3480 and UDP 3478, 3479. This can help resolve NW-31456-9 and improve your NAT type for better online connectivity.