Diablo 4 Season 2 Error Code 300022: How to Fix

Abhimannu Das
Updated On: 
<div class="paragraphs"><p>Diablo 4</p></div>
Diablo 4

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Highlights
Here is a quick guide on how to fix Diablo 4’s 300022 error code.
The code appears due to server issues as well as network and connectivity problems.
You should always check Blizzard’s Customer Service account on Twitter to see if there are any ongoing login or connectivity problems with Diablo 4 or other Blizzard games.

Diablo 4’s error code 300022 occurs when you have trouble connecting to the game’s servers. In a lot of cases, the issue is server-side so you might not be able to do anything about it until Blizzard addresses the login issues. But if you are facing the issue due to connectivity problems, there are some fixes that you can try. Here is a quick guide on how to resolve Diablo 4’s error code 300022.

How to fix Diablo 4 error code 300022

Before trying any fixes, make sure you head to the BlizzardCS Twitter account to check if there are any ongoing server issues. It is possible that the Diablo 4 servers are facing issues that can lead to the 300022 error code in Diablo 4. If there are ongoing issues, you’ll need to wait it out until a fix is deployed.

If the servers are online and you are still unable to enter the game, here is a fix that could resolve the issue. 

  1. Press the Windows Key

  2. Type “Command Prompt” and hover on the first app result 

  3. Click on Run As Administrator

  4. If asked whether to allow Command Prompt to make changes to your computer, select Yes.

  5. You should now get a new window with a black screen.

  6. Type "ipconfig /flushdns" and press Enter.

  7. Type "ipconfig /registerdns" and press Enter.

  8. Type "ipconfig /release" and press Enter.

  9. Type "ipconfig /renew" and press Enter.

  10. Type "netsh winsock reset" and press Enter.

  11. Restart your computer.

Ideally, you should not face the 300022  error code after flushing your DNS. However, it is possible that you are facing DNS issues because of your internet service provider (ISP), and you can consider seeking technical assistance from your service provider. Using a virtual private network (VPN) can also temporarily alleviate the issue.

For more Diablo content consider checking out our guide on how to beat the Wandering Death. We also have a list of Stronghold locations in case you want to earn some rewards and increase your region reputation.


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Abhimannu is a PC esports writer at AFK Gaming. With over seven years of experience in esports journalism, he has worked on a myriad of games and their ecosystems including Valorant, Overwatch and Apex Legends.