Why am I getting “connection lost” errors?

Client and version

Confirm Java 1.20.4 or latest Bedrock before anything else.

Confirm Java 1.20.4 or latest Bedrock before anything else. Mismatched versions fail within seconds of joining.

• Update Minecraft through the official launcher.
• Remove duplicate server entries with typos.
• Disable experimental packs that rewrite networking.

• Update Minecraft through the official launcher.
• Remove duplicate server entries with typos.
• Disable experimental packs that rewrite networking.

Network fixes

Allow Minecraft through Windows Firewall or router filtering.

Allow Minecraft through Windows Firewall, macOS security, or router filtering. Java uses port 25565 by default.

1. 1Disable VPN or try a different server region.
2. 2Switch from Wi-Fi to Ethernet if possible.
3. 3Restart router if other games also drop.

1. 1Disable VPN or try a different server region.
2. 2Switch from Wi-Fi to Ethernet if possible.
3. 3Restart router if other games also drop.

Still failing

Run ping test to the IP from Dashboard → Servers → Diagnostics.

Run the ping test to the IP from Dashboard → Servers → Diagnostics and attach results to a support ticket.