How to Fix You have been disconnected from Blizzard Services.

Blizzard Entertainment is a well-known gaming company that is a subsidiary of Activision and the official publisher of the Call of Duty franchise. Recently, a player reported being disconnected from the Blizzard service following an update. Other players have made comparable claims. This article contains a troubleshooting guide that may assist you in resolving the Disconnected from Blizzard Service error.

Blizzard services have been disconnected due to an error.

The disconnecting blizzard services error can be caused by a lot of circumstances, and you can resolve it by following the steps mentioned below. The instructions are listed below.

Examine the server’s status.

The disconnect could be the result of a Blizzard network outage or scheduled maintenance. To monitor network outages in real-time, you can follow Blizzard Support on Twitter or use DownDectator.

Install the most recent graphics card driver.

The drivers are critical to the game’s rendering. While playing the game, an outdated driver causes errors such as flickering, stuttering, and game crashes. You should first update any out-of-date drivers on your system and then search for the most recent version.

You can either download the most recent driver from the manufacturer’s support page or manually install it. Additionally, you can use a third-party program such as a driver booster to scan for and install all necessary drivers; it will also keep your system’s existing drivers up to date.

DNS and IP refresh

DNS cleaning and IP renewal are both described in detail below.

Flushing the DNS

• Open CMD
  • Open the Run Dialog Box
    • Use Windows + R.
    • Enter EMD and hit Enter.
  • Open Windows Search
    • Press the Windows logo and then type CMD.
    • Open the application.
• Confirm the UAC (User Account Control).
• Enter ipconfig/flushdns and hit enter.
• Wait for the command to execute.
• That’s it

Renew your IP address

• Run CMD as administrator.
  • Open the Run Dialog Box
    • Use Windows + R.
    • Enter EMD and hit Enter.
  • Open Windows Search
    • Press the Windows logo and then type CMD.
    • Open the application.
• Then, allow UAC (User Account Control).
• Enter ipconfig/release and hit enter.
• Wait for it to finish, and then again. Enter ipconfig /renew 
• Hit enter and wait for it to finish.
• That’s it.

Reboot your network devices.

The lag will still occur if you do not restart the network device by re-plugging the modem, router, or other device in the network.

• Turn off the power from the power socket.
• Wait for a couple of minutes.
• Turn on the power from the power socket, and then wait until your network device blinks.
• That’s it.

Relaunch the game and see if the problem has been resolved.

Blizzard Services Disconnected: Reset User Interface

Displays or user interfaces may become corrupted.

• Quit the game and then uninstall all the add-on managers.
• Now, inside the Battle.net
• After that, with Battle.net, click on the option alongside Show in Explorer.
• Close Blizzard.net
• Next, double-click on your choice of a game folder, and it will open in a new pop-up window.
• There, you will have your connection file.
  • Double-click on the retail or classic
  • Open it, and then there you will find Interface, Cache, and WTF Folder to the mentioned
    • InterfaceOld, CacheOld, WTFOld
• That’s it; once you have done that, simply relaunch the game.

Close all background applications.

The crash likely occurred due to a background task that is using a lot of resources, so it is better to end the task. You can check if the game is running after you finish your task.

• Open the Task Manager
  • Use Ctrl + Alt + Esc
• Click on Process, and then look for high-resource apps and services.
• Simply right-click on the app and then click on End Task.

Activate third-party software. Check your anti-virus or firewall.

The game file might be detected by your antivirus or firewall program as a thread if you use a third-party program. If the problem persists, we recommend that you run the game or disable your anti-virus software while the problem is investigated.

Update your operating system.

Installing the latest Windows version will most likely fix the error, so make sure you are running the latest update. Update Windows if it hasn’t been updated in a while.

• Open Windows Settings.
• Head over to Update and Security.
• Click on Check for updates.
  • Wait for it to complete the scan. 
• If you find any updates
  • Click on Download and install.
• That’s it

Please wait for the Blizzard Services’ upcoming rollouts if you still encounter disconnected Blizzard Services after following this guide. Please share with us any further questions or concerns below.