Fix: Call of Duty Vanguard Error Code DUHOK – LESTER

Call of Duty: Vanguard is now going through the initial phase and may have some flaws or bugs, which is quite common among players across all platforms. It seems that plenty of players is getting affected by the Call of Duty Vanguard Error Code Duhok – Rilea or Duhok – Lester. Now, if you’re also one of the victims, then you can follow this troubleshooting guide to fix it completely. As per reports, this error appears while launching the game or getting into it.

Some reports also indicate that the particular error message occurs whenever there are issues with your Activision account. The chances are high that this could be an internet or server connectivity issue. It’s expected that the beta testing is somehow conflicting with the game files or server optimization, which may also appear if the number of active players increases a lot.

Fix: Call of Duty Vanguard Error Code DUHOK - LESTER

Fix: Call of Duty Vanguard Error Code DUHOK – LESTER

It’s also worth mentioning that the CoD Vanguard Error Code Duhok – Lester issue may not happen to all players. That also means the provided solutions might not going to work for everyone. Here we’ve provided a couple of possible workarounds that should help you out. So, without wasting any more time, let’s get into it.

Recently, the Sledgehammer Games team officially acknowledged this issue on the Twitter handle. They mentioned that the Duhok – Lester error is mostly happening on PS5 consoles and preventing owners from accessing the COD Vanguard game servers. According to the developers, the official patch fix is on its way. So, you can do nothing except wait if this troubleshooting guide doesn’t work for you.

1. Check COD Vanguard Server Status

First, you should check out the Call of Duty: Vanguard server status from this link to ensure no server downtime or service outage is happening at that moment. If in case, there is an issue with the server operations, then you’ll need to wait for some time until the problem has been resolved. Currently, no server issue is happening at the time of writing this article.

2. Check your Internet Connection

It’s also worth mentioning to check your internet connection to see whether it’s working fine or not. Sometimes a poor or unstable internet network can trigger multiple issues with the server connectivity or downloading additional resources. Sometimes, you should also try switching your wireless connectivity to wired (ethernet) or vice versa. That might go to help you out.

3. Power Cycle your Router

Make sure to perform a power cycle to your Wi-Fi router to check whether the internet glitch has been fixed. Just turn off the router and unplug the power cable from the power source. Now, wait for around a minute or so then plug back the power cable in and power on the router again. Connect to the Wi-Fi network and cross-check the internet issue.

4. Avoid Preloading the Next COD Vanguard Update (PS5)

Ensure to avoid preloading the next update of Call of Duty: Vanguard on the PS5 (version 1.008). It may cause some issues with connection failure or dev errors whatsoever. Until the developers come up with a patch fix, you should avoid preloading.

5. Disable On-Demand Texture Streaming

On-Demand Texture Streaming is an option that allows players to download an improved colour palette during the gameplay to give you a much more vibrant and realistic graphics quality. However, it can start eating up too much bandwidth or system resources that may cause lags, stutters, high packet bursts, etc. So, we recommend you disable the on-demand texture streaming option on the game menu.

Head over to the in-game menu > Go to Settings > Turn it OFF under the Graphics tab. You’re good to go.

6. Repair Game Files

It’s also recommended to repair game files on your PC by using the client. It can fix corrupted or missing game files (if any). To do that:

  • Launch the desktop app.
  • Locate the COD Vanguard game from the library.
  • Select Options > Click on Scan and Repair.
  • Wait for the repair process to be done.
  • Finally, restart the game to check for the issue again.

7. Power Cycle your Console

If there is no issue with the Wi-Fi connectivity, that means your router is working well. In that scenario, there may be some issues with the temporary glitch on your gaming console. Make sure to perform a power cycle to your console too.

For Xbox:

  • Press and hold the Xbox Power Button for around 10 seconds.
  • Once the Xbox console is completely turned off, pull out the power cable.
  • Wait for a moment, around 30 seconds and then plug the cable back in.
  • Finally, restart the Xbox console to check for the issue.

For PlayStation:

  • Press the Power Button on your PlayStation console until you hear two beep sounds.
  • Then unplug the console power cord > Wait for 10 seconds or more.
  • Next, plug the console power cord back in.
  • Finally, restart the PlayStation console to check for the issue.

8. Link your Activision account to the device

According to some players, linking issues with the Activision account and the COD game profile may cause several conflicts during log-in or connecting to the game server. It’s better to properly link up your game profile to the Activision account or sync so that the game server connectivity doesn’t appear again. You can check this link to manage your Activision account easily.

9. Change MTU Settings on PS4/PS5

If, in case, you’re still encountering the COD Vanguard Connection Failed Update Required error code, then make sure to change the MTU settings on your PlayStation console. By default, your console or PC should get the best MTU setting for you, but if you’ve changed something, it may cause an inappropriate MTU setting. This will trigger multiple issues with the server connectivity.

10. Perform a Factory Reset of the Router

You can also factory reset your Wi-Fi router to check for the issue. Sometimes networking glitches or temporary cache data issues with the router can occur several errors like server connectivity or slow data speed. Just press and hold the Reset button on your router for around 10-15 seconds until the LED indicators stop blinking (slow down) and start usually blinking again. Now, wait for some time and connect to the Wi-Fi network again.

If you have to set up internet details and a Wi-Fi password on the router, you can do accordingly. But this method might go to help you in most cases.

11. Reinstall COD Vanguard

If none of the methods worked for you, then make sure to uninstall and reinstall the Call of Duty: Vanguard game on the gaming device by following the steps below. Although we don’t recommend doing so as it’s a lengthy process and all of your saved game data might be lost, nothing is left except for this. To do so:

For Xbox:

  • Press the Xbox button on the controller to open the Guide menu.
  • Select My games & apps > Hit See all > Choose to Games.
  • Then select the Ready to install tab > Select Queue.
  • Select the Call of Duty Vanguard game that you’re trying to reinstall.
  • Now, press the Menu button on your controller.
  • Select Manage game & add-ons or Manage app.
  • Choose Call of Duty Vanguard > Select Uninstall all.
  • Make sure to select Uninstall all to confirm the task.
  • Wait for the uninstallation process to complete.
  • Reboot the system to apply changes.
  • Press the Xbox button on the controller to open the Guide menu again.
  • Choose My games & apps > Select See all > Go to Games.
  • Select the Ready to install tab > Hit Install for Call of Duty Vanguard.
  • Wait for the installation process, and then restart the console.

For PC:

  • Open the desktop app > Select the COD: Vanguard game icon you want to uninstall.
  • Now, select the drop-down arrow icon next to the play button > Click on Uninstall.
  • Wait for the game to get uninstalled completely.
  • Then reboot the PC to apply changes > Finally, open the desktop app and re-install the COD Vanguard game.
  • It may take some time to install the game completely.

For PlayStation:

  • Open the PS4/PS5 console > Sign in to your user profile.
  • Now, head over to the home screen and locate COD Vanguard.
  • Press the Options button on your PS4/PS5 controller (button to the right of the touchpad) to open Settings for the game.
  • Next, select the ‘Delete’ button > You’ll have a message showing “This item will be deleted from console storage”.
  • Select ‘OK’ to proceed and wait for the uninstallation process to be completed > Reboot your console to refresh the system.
  • Finally, head to the PS Store on your console and reinstall the Call of Duty Vanguard title again. This should fix the Call of Duty Vanguard Error Code DUHOK – LESTER issue.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.

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