Diablo III Disconnection Problems

Updated: 5 months ago
Article ID: 14239
Relevant Games:

Common Problems

  • Disconnected from game - NPCs stalled, unable to attack or progress further within the instance server.
  • The game froze up and locked. Could run around on pre-explored terrain.

Before trying any of the following steps check the BlizzardCS Twitter for any service interruptions.

  1. Reset your network devices to make sure your router hasn't become flooded with data.
  2. Release and renew your IP and flush your DNS to resolve any network conflicts.
  3. Update your drivers to resolve any compatibility issues.
  4. If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
  5. Try closing background applications to resolve any software conflicts.
Advanced Troubleshooting
  1. Old network card drivers and settings may affect your connection in our games. Try troubleshooting your network card.
  2. Check your network configuration to find any issues with your firewall, router, or port settings.
  3. If you're using a VPN, try removing it.
  4. Disable any proxies that may interfere with the login module.
  5. Run a security scan to remove any viruses or malware infections.
  6. Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
  7. Old firmware on your modem and router can cause issues with complex game connections. Visit the manufacturer's website for instructions on how to apply firmware updates.
  1. Reset your network devices to make sure your router hasn't become flooded with data.
  2. Release and renew your IP and flush your DNS to resolve any network conflicts.
  3. Update your drivers to resolve any compatibility issues.
  4. If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
  5. Try closing background applications to resolve any software conflicts.
Advanced Troubleshooting
  1. Check your network configuration to find any issues with your firewall, router, or port settings.
  2. If you're using a VPN, try removing it.
  3. Disable any proxies that may interfere with the login module.
  4. Run a security scan to remove any viruses or malware infections.
  5. Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
  6. Old firmware on your modem and router can cause issues with complex game connections. Visit the manufacturer's website for instructions on how to apply firmware updates.

Tried everything here?

If you have tried all of these steps and still require assistance, please visit our Technical Support Forum or contact us.