COD Warzone 2 and Modern Warfare 2 Puget Altus Error Fix

Call of Duty Modern Warfare II and Warzone 2.0 multiplayer are available for all major platforms after going through an early access campaign. Though both the titles are loved by plenty of COD fans and existing players, it looks like there are some issues with the game launching, connecting to the server, getting into the multiplayer, etc. Meanwhile, some players face the COD Warzone 2 and Modern Warfare 2 Puget Altus Error on PC, PlayStation, and Xbox.

Unfortunately, the Puget Altus Error is carried forward with the latest patch update for the Call of Duty: MWII and Warzone 2.0 title. This specific error was quite common in the early beta testing phase and still troubled a lot of players while trying to launch the game or get into the multiplayer mode. Some reports also suggest that the “Connection Failed: Unable to access online services [Reason: PUGET – ALTUS]” error happens due to server outage or downtime.

Fix: COD Warzone 2 and Modern Warfare 2 Puget Altus Error

Fix: COD Warzone 2 and Modern Warfare 2 Puget Altus Error

Now, if you’re also one of the victims to encounter such an error, then make sure to follow this troubleshooting guide to resolve it. This particular Puget-Altus error is similar to the Detrick Guernsey error and the Connecting to the Data Center stuck error that has been troubling many Call of Duty players for a while. You can find multiple reports on the Twitter platform regarding the same, where players are significantly affected by this error.

Some of the players are also claiming that Puget-Altus occurs due to poor internet connection or issues with the server hosting. So, without wasting any more time, let’s jump into it.

1. Check the Server Status or Online Services

First of all, you should do check out the Activision Online Services Status here or PlayStation Network Service Status or Xbox Live Status to ensure if there is an issue with the Warzone 2.0 service or not. When writing this article, Modern Warfare II and Warzone 2.0 regarding services are active and operational for all platforms. If you’re seeing the service issue at your end, wait a few hours and try again.

2. Cross-Check Your Internet Connection

The chances are also applicable that your internet connection somehow has an issue with slow speed or stability. It’s better to run a speed test of the connected internet online and try playing other multiplayer games. If, in case, there is an issue with the internet connection at your end, try switching to a wired (ethernet) connection from Wi-Fi or vice versa to cross-check the issue.

Contact your internet service provider (ISP) to get it checked, and ask to fix the issue. You can switch to a different ISP or upgrade to a higher plan.

3. Run the MWII or Warzone 2 Game as an Administrator

You can try running the Call of Duty: MWII or Warzone 2.0 game application on your Windows PC as an administrator to allow the User Account Control (UAC) access to the system. Otherwise, you might encounter startup crashes, server connectivity errors, etc. To do so:

  • Go to the installed Call of Duty: Modern Warfare II or Warzone 2.0 game directory on the PC.
  • Right-click on the game application file on your PC.
  • Next, click on Properties > Click on the Compatibility tab.

  • Click on the Run this program as an administrator checkbox to enable it.
  • Once done, click on Apply and then OK to save changes.
  • Make sure to run the game to check for the issue.

You should also run the Steam or launcher on the PC by following the above steps to ensure your game client isn’t conflicting with the system permissions.

4. Update COD MWII and Warzone 2

An outdated game patch version on the PC can trouble you a lot regarding game launching or connecting to the game servers. You should always manually check for the game update by following the steps below to get additional features and improvements.

For (PC)

  • Open the desktop app on your PC.
  • Click on the COD: MWII or Warzone 2.0 game.
  • Next, click the Settings menu (cogwheel icon) > Select Check for Updates.
  • Wait for the update process to be completed.
  • If an update is available, you should download and install the update.

For Steam: (PC)

  • Open the Steam client > Go to Library.
  • Click on COD: MWII or Warzone 2.0 from the left pane.
  • Now, Steam will automatically search for the available update.
  • If there is an update available, click on Update.
  • Just wait for a while until the update completes.
  • Once done, reboot the PC to apply changes.

For PlayStation:

  • Turn On your PS4/PS5 console > Go to the Home screen.
  • Now, navigate to the main menu on top.
  • Head over to the Games tab.
  • Scroll down to Call of Duty: MWII or Warzone 2.0 and highlight it.
  • Press the Options button on your controller.
  • Finally, choose to Check for Update from the drop-down menu.

For Xbox:

  • Turn on your Xbox One or Xbox Series X|S gaming console.
  • Press the Xbox button on your controller to open the menu.
  • Now, scroll down to the right > Select Settings.
  • Scroll down until you see Updates & downloads.
  • From the next page, select Keep my console up to date and Keep my games & games up to date to enable the checkbox.

5. Verify and Repair Game Files (PC Only)

In some cases, corrupted or missing game files on the system can trigger several issues with the game launching and server connectivity in most cases. So, verifying and repairing the installed game files via the launcher might greatly help. To do that:


  • Launch the client on your PC.
  • Click on the COD: MWII or Warzone 2.0 > Now, click on the Settings menu (cogwheel icon).
  • Select Scan and Repair > Click on Begin Scan.
  • Wait for the repair process to complete it.
  • Once done, reboot the PC to apply changes.

For Steam:

  • Launch the Steam client > Click on Library.
  • Right-click on COD: MWII or Warzone 2.0 from the list of installed games.
  • Now, click on Properties > Go to the Local Files tab.
  • Click on Verify Integrity of Game Files.
  • You’ll need to wait for the process until it gets completed.
  • Once done, restart your computer.

6. Power Cycle the Gaming Console

Sometimes the temporary cache data or glitch on the system might trouble you while launching the game or connecting to the game servers online. To do so:

  • Power Off the PlayStation or Xbox console > Unplug the Power Cable from the console.
  • Wait for a few minutes, then reconnect the power cable to the console.
  • Now, Power On the console to check for the issue again.

7. Power Cycle the Wi-Fi Router

You can try performing the power cycle method on your Wi-Fi router by following the steps below to ensure no temporary glitch with the networking connectivity. Doing so lets you clear out cache data issues with the network to fix the ongoing connection. To do so:

  • Power Off the Wi-Fi Router completely > Disconnect the Power Cable from the router and power source.
  • Wait for a couple of minutes and then reconnect the power cable again.
  • Now, Power On the router > Connect to the Wi-Fi network and check for the issue.

8. Try Using a Mobile Wi-Fi Hotspot

You might also try using a mobile Wi-Fi hotspot to cross-check whether the game is running fine. It’s worth mentioning that using a mobile hotspot mostly cause slower internet speed than ethernet and Wi-Fi network.

9. Change the MTU Settings on PS5

Let’s talk about the MTU Settings on the PlayStation 5 console. It plays a major role in maintaining the internet download and upload speed consistently, depending on how well your internet network is working. The chances are high that your internet network configuration isn’t set up properly, which is why the Modern Warfare 2 or Warzone 2 Puget Altus Error is occurring. Luckily, you can follow the steps below to easily change the MTU settings on your PS5 console.

  • Open the Settings menu (gear icon) on the PlayStation 5 console.
  • Go to the Network menu > Select Settings.
  • Next, go to Connection Status > Ensure to perform Test Internet Connection.
  • Choose Set Up Internet Connection > Select your Registered Network.
  • Select Advanced Settings > Go to the MTU Settings menu.
  • Set it to Manual > Go to MTU > Set the Value to 1473.
  • Make sure to save changes and reboot the console to apply changes.

10. Try Changing the DNS Server Addresses

Use a Google DNS address (public DNS) to ensure no server connectivity issue with the Call of Duty: Modern Warfare II or Warzone 2. Sometimes issues with your blocked DNS address that has been provided by the ISP may have some issues. To do this, follow the steps below according to the gaming device.

For PC:

  • Press the Win+R keys to open up the Run dialog box.
  • Type ncpa.cpl and click OK to open the Network Connections page.
  • Now, right-click on your active network adapter > Click on Properties.
  • Select Internet Protocol Version 4 (TCP/IPv4) > Click on Properties.

  • Click to select Use the following DNS server addresses.
  • Now, enter for the Preferred DNS server and for the Alternate DNS server.
  • Once done, click on OK to save changes.
  • Make sure to restart your computer to apply changes.

For PS4/PS5:

  • Go to the Settings menu from your controller.
  • Select Network > Choose Set Up Internet Connection.
  • Select Wi-Fi or LAN Cable as per your active network.
  • Next, choose Custom > Select Automatic for the IP Address Settings.
  • Choose Do Not Specify for the DHCP Host Name.
  • Select Manual for the DNS Settings > Enter for the Primary DNS.
  • Enter for the Secondary DNS.
  • Choose OK and go to the next option > Select Do Not Use for the MTU Settings.
  • Choose Next and select Do Not Use for Proxy Server.
  • Once done, reboot your console to apply changes.

For Xbox:

  • Press the Xbox button on your controller to open the guide menu.
  • Select Profile & system > Hit Settings.
  • Select General > Select Network settings.
  • Choose Advanced settings from the Network screen options.
  • Select DNS settings > Select Manual.
  • Enter the DNS settings for primary and for secondary addresses.
  • Once done, reboot the Xbox console to apply changes.

11. Delete Modern Warfare II and Warzone 2 Saved Data

Well, clearing out the game-saved data on the console may also fix multiple issues with the game launching or multiplayer gameplay. You can try it out:

For PS4/PS5:

  • Go to Settings > Select Application Saved Data Management.
  • Choose System Storage, Online Storage, or USB Storage > Select Delete.
  • Select the COD: MWII or Warzone 2.0 game > Checkmark the files you want to delete or Select All.
  • Finally, select Delete > Select OK to confirm the task.
  • Once done, reboot your console to check for the issue.

For Xbox:

  • Press the Xbox button on your controller to open the guide menu.
  • Select Profile & SystemSettings > System > Storage.
  • Select Clear local saved games for the COD MWII or Warzone 2 game on the Manage storage devices screen.

Next, you can delete the cloud-saved date of the specific game by following the steps below.

  • From the Home menu, select My games & apps.
  • Highlight the Call of Duty: Modern Warfare II or Warzone 2 game.
  • Press the Menu button on your controller.
  • Make sure to select Manage game & add-ons.
  • Select the Saved data checkbox and choose the item you want to delete.
  • Confirm to Delete it and reboot the console to apply changes.

12. Contact Activision Support

If none of the methods worked for you, then contact Activision Support for further assistance. You can create a support ticket to ensure developers will take the COD Warzone 2 and Modern Warfare 2 Puget Altus Error seriously and investigate it.

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

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