Here's how to Fix Diablo 4 Error Code 300008, Your request has timed out:
- Check your internet connection speed and stability. This error is often caused by a slow/unstable connection that is timing out. Use a wired ethernet connection if possible.
- Restart your router and modem to refresh the connection. This can clear any network issues causing timeouts.
- Port forward TCP ports 1119 and 6112-6120 on your router if possible. This allows direct connections for Diablo 4.
- Temporarily disable any VPNs, proxies, firewalls or network filtering that could be blocking connections. Add Diablo 4 to allowed programs.
- Clear your DNS cache and renew IP address on your device. On Windows open Command Prompt and run "ipconfig /flushdns" and "ipconfig /renew".
- Disable any bandwidth limiting or network management software that could be restricting Diablo 4 traffic.
- Check Blizzard's service status page at
https://status.blizzard.com/ to see if there are any known outage issues.
- Try connecting to Diablo 4 from another network like a mobile hotspot to see if the issue persists.
- As a last resort, re-install Diablo 4 to fully clear any corrupted files causing problems.
If the problem continues even after trying these, contact your ISP or Blizzard support for further help troubleshooting.