Fix Call of Duty Error BLZBNTBGS000003F8 | Connection Lost

Updated on November 24, 2020: If you have purchased the game from Blizzard, then you may experience the error code BLZBNTBGS000003F8 while playing the Call of Duty franchise. Even the new game Black Ops Cold War players too reported this annoying error. In this guide, we will explain how you can resolve this issue.

There are a couple of Error codes appearing on the Blizzard gamer server while launching the Call of Duty games like Modern Warfare or Black Ops 4, and now it’s time for the Call of Duty Warzone game. But recently one of the Error Codes called BLZBNTBGS000003F8 is causing serious issues to the Call of Duty franchise players. Here we will gonna provide you with some of the possible steps that can be helpful to you.

This mentioned error is occurring on the Blizzard gamer server while players are trying to open the launcher or running the gameplay. Meanwhile, the problem seems to affect multiplayer games mostly like the Call of Duty Modern Warfare or Call of Duty Warzone as well. One of the most irritating things is that when this error occurs, the players are kicked out from online matches and the connection with the Blizzard server gets disconnected.

Connection to the Blizzard game server has been lost: How to Fix BLZBNTBGS000003F8?

Connection to the Blizzard game server has been lost: How to Fix BLZBNTBGS000003F8?

As this error indicates an issue with your internet connection to the Call of Duty servers, it’s expected that there are some issues with the ISP (Internet Service Provider). Meanwhile, some of the Redditors have mentioned that they’re able to launch the game and can enter into the game lobby. But this error appears frequently and they can’t launch the gameplay.

Call of Duty Warzone connection error. Any solution for this? from IndianGaming


While some of them are mentioning that this is the ISP related issue and using mobile data will be a temporary fix as of now. Though it will decrease the ping limit, at least you can play your favorite game for sure. Additionally, you can check out some of the possible steps below.

1. Check the BlizzardCS Twitter to fix BLZBNTBGS000003F8

In order to get notified always with each and every service or maintenance related issues or news, you should check the BlizzardCS Twitter handle. Additionally, you can report your problem or bug there as well.

2. Use Blizzard Desktop App

Make sure to use the launcher app for your Windows PC/Laptop to open the Call of Duty Modern Warfare or Warzone game and run it. Keep updating the Windows OS and graphics drivers as well.

3. Login with Correct Blizzard Account

It’s highly recommended to login with your correct Blizzard account to run the game properly. Either you can log in with your existing account or create a new account. This will ensure that you’re not doing anything wrong with login.

4. Check your Internet Connection

First of all, you will need to check out whether the internet connection is okay or not. If any other games or services running perfectly with the same network, then it will be either COD game-related or server error. Meanwhile, you can reset your network devices or network settings to make sure that everything is working fine.

Next, optimize the wireless internet connection, update the network drivers on your system, etc. Additionally, you can flush your DNS and renew your IP in order to bypass this issue. However, if this is an ISP related issue, then you may need to contact your service provider. Finally, you can free up some of the resources from the PC and try to force close all the background running services or applications to check which software is occurring this issue.

Alternatively, try to troubleshoot the internet connection on the Windows PC/Laptop. You can comment below for more queries.

Source: Support

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