COD Vanguard is a popular game.

However, its common to encounter issues when playing it and Duhok Guernsey is one of the issues.

The Duhok-Guernsey issue shows up when you make a run at launch COD Vanguard.

Fixed - Call of Duty (COD) Vanguard DUHOK - LESTER on PlayStation

This post fromMiniTooloffers methods and you could try them one by one until fixing the issue.

COD Vanguard Duhok-Guernsey

What is Duhok Guernsey?

What does Duhok Guernsey mean?

The full glitch notice isVanguard Error Code Duhok-Guernsey Not signed in to a profile.

It is a connection issue that happens when you make a run at verify your COD Vanguard account.

The reason Duhok Guernsey issue is not resulting from the Internet or server failure.

But thats not to say that connection issues on your end might not be causing the error.

The main cause of this connection error is the introduction of Ranked Games in COD.

How to fix the COD Vanguard DUHOK LESTER error code on PlayStation?

This post provides a guide with one-by-one steps for you to remove the error code.

How to Fix Duhok Guernsey

How to fix Duhok Guernsey?

There are 5 methods available.

Besides, you’re able to also kickstart your router.

Change the DNS Server

PC

PS5

Xbox

3.

Thus, you’re able to change the MTU options on PS5.

Here is how to do that:

Step 1: OpenSettingson your console.

Then, select theNetworksettings.

Step 2: Go to theSettingsmenu, and select theSet Up Internet Connectionbutton.

Step 3: Choose the Internet connection you want and select theMTU Settingsoption.

Step 4: Set the value to1473.

Try Different ISP

you’re free to attempt to play COD Vanguard through a differentISPthan the original ISP.

Reinstall COD Vanguard

If the above solutions are not working for you.

it’s possible for you to give a shot to reinstall COD Vanguard.

To do that, you just need to go to Control Panel to uninstall it.

Then, go to its official website to download and install it again.

Then, test whether the Duhok Guernsey issue has gone.

Final Words

To sum up, this post has shown 5 solutions to Duhok-Guernsey Vanguard issue.