Diablo 3 Keeps Disconnecting: How To Fix

We can efficiently guide you on how to troubleshoot Diablo 3 disconnecting. 👍


Diablo is a franchise that has been with us for many years, and that’s why it won the hearts of many fans and continues to win over new players. However, some bugs can happen here and there that can worsen your gaming experience. One issue that several players have been experiencing while playing Diablo 3 is that they constantly get disconnected. So that you don’t fall into despair, we made this guide that will help you play Diablo 3 without connection issues.

Why does my Diablo 3 keep disconnecting?

There are various reasons why this issue may occur, such as outdated software or drivers, corrupted game files, or issues with the internet connection. Ultimately, it may be related to a network problem with the game server or on your end.

How do I fix Diablo 3 keeps disconnecting.

Follow these basic steps to try to solve the problem quickly:

If Diablo 3 keeps disconnecting, do the following:

  1. Update network driver
  2. Flush your DNS
  3. Disable the IPv6 protocol
  4. Allow Diablo 3 through the firewall

1. Update network driver

If Diablo 3 keeps disconnecting, it may be due to an outdated network driver. We recommend that you always have an updated version of the network driver. Do the following:

1. Right-click Windows Start and select Device Manager.

Device Manager Win11

2. Double-click the Network adapters and right-click on your network card to select Update driver.

Diablo 3 Keeps Disconnecting - Update network drivers

3. Click on the Search automatically for drivers and wait to finish the update process.

Diablo 3 Keeps Disconnecting - Search for updated network drivers

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2. Flush your DNS

If you’re having trouble connecting to game servers, you can increase your chances by flushing DNS to clear the cache. This will eliminate any stored IP addresses and DNS records that might be causing connection problems. Do the following:

1. Press Win+R to show the Run dialog box.

2. Type; “cmd” and press Ctrl+Shift+Enter keys to open Command Prompt as administrator.

3. Type “ipconfig /flushdns” and press Enter.

4. Type “ipconfig /registerdns” and press Enter.

5. Type “ipconfig /release” and press Enter.

Diablo 3 Keeps Disconnecting - Flush DNS

6. Type “ipconfig /renew” and press Enter.

7. Type “netsh winsock reset” and press Enter.

Diablo 3 Keeps Disconnecting - Flush DNS 2

8. Reboot the PC, launch Diablo 3, and check if the issue is gone.

3. Disable the IPv6 protocol

Time needed: 1 minute

If you’re experiencing issues with Diablo 3 disconnecting frequently, it could be due to the new IPv6 internet protocol. This protocol isn’t always compatible with the game and can cause issues with other games. To resolve this problem, we suggest disabling the IPv6 protocol in your network adapter settings.

  1. Open the Run dialog box

    Press Win + R keys to open the Run dialog box. Type; “ncpa.cpl in the box and press Enter.
    Run dialog

  2. Select your primary network adapter

    Right-click on your network adapter and select Properties.Network adapter

  3. Disable IPv6 protocol

    Under the Networking tab, locate and uncheck the box next to the Internet Protocol Version 6. Click OK to save the changes.

  4. Restart your PC

    Launch Diablo 3 and check if the connection issue is gone.

4. Allow Diablo 3 through the firewall

Diablo 3 may be experiencing disconnections due to your firewall settings blocking incoming and outgoing connections for the game. To resolve this, check your firewall settings and ensure the game has permission to pass through.

1. Right-Click on the Start Menu, click on Settings, then Update & Security.

2. Select Windows Security and click Firewall & Network Protection.

Firewall Settings 2

3. Select the Change Settings button and Allow Another App.

Firewall Settings 5

4. Use the Browse option to add Diablo 3 to the firewall.

🤘 Extra steps

If your Diablo 3 still keeps disconnecting, we suggest some additional options to consider:


If you’re experiencing frequent disconnections while playing Diablo 3, we suggest trying some simple troubleshooting steps. Restart the game and your computer, or power cycle your network devices. You can also update your network driver, flush your DNS server cache, and disable the IPv6 protocol. Sometimes, firewalls can interfere with games, so we recommend adding an exception for Diablo 3. If you have any further questions, don’t hesitate to comment below; we’ll gladly assist you.

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