How To Fix COD Modern Warfare Unable To Access Online Services

Many Call of Duty Modern Warfare players have asked for support about the game being unable to connect and keeps showing the “Unable To Access Online Services” error. If you are looking for a solution to this issue, you’re reading the right troubleshooting guide.

Why you’re getting “Unable To Access Online Services” error on Call of Duty Modern Warfare

From time to time, Call of Duty Modern Warfare may prevent players from connecting online with the error Connection failed: Unable To Access Online Services. If you are getting this error, it must be caused by one of these factors:

Server overcapacity/other issues.

Gaming servers may sometimes suffer from setbacks causing connectivity problems. Most of the time, “Unable To Access Online Services” error on Modern Warfare is due to an issue from the server side of things so there’s nothing much that players can do about it. 

Some of the common server issues that happens on Activision games are part of regular maintenance to fix known problems or prevent new bugs. At other times, technical issues may surface that Activision does not anticipate forcing Modern Warfare multiplayer to be off-limits temporarily.

ISP or local network connection issue.

For some, “Unable To Access Online Services” error is not game servers related but rather due to an issue with a player’s own internet connection. Slow or intermittent connection are usually the common situations that some of these gamers encounter. This type of problem is usually fixable on a player’s level.

Damaged game files.

Whether you’re playing the COD Modern Warfare offline or having with your friends in online multiplayer, corrupted game files can definitely ruin your game. For some, the problem may manifest in lag or slow performance while others may be find Modern Warfare crashing all the time. 

In some rare cases, the game may not be able to maintain a good connection with the server, which can result in this error. 

Game files may get corrupted after a system update, by malware, or other programs interfering with the OS.

How to fix “Unable To Access Online Services” error on COD Modern Warfare

Are you having trouble connecting online on COD Modern Warfare and getting the Connection failed: Unable To Access Online Services error? If you do, follow the steps below on what to do:

  1. Check Activision server status.

    Majority of the time, “Unable To Access Online Services” error is due to server issues with Modern Warfare. To check if the servers are down, try to visit the official Activision support page and check if the online service for your particular platform has a checkmark inside a green circle (like the ones in the image below).
    You can also monitor Activision’s tweets for updates regarding issues.
    If there’s an on-going server issue, all you have to do is to wait until the issue is fixed.

  2. Troubleshoot your internet connection.

    If your own internet connection is slow, or if it keeps on disconnecting, you may encounter a problem with your online games. 
    If you’ve already checked and there’s no on-going server issues with Activision servers for Modern Warfare, the next troubleshooting step that you can do is perform basic networking troubleshooting. 
    Power cycle the router.
    First, you want to fully reboot the router. You can do that by turning it off normally, then unplugging it from the power source for about 30 seconds. Afterwards, turn the router back on and see if the problem is gone.
    Try playing another online game.
    If you still suspect that there may be an issue with your internet connection, the next good thing that you can do is to see how your connection performs when playing another online game. If you also have a connection problem with a second game, you may have to do more in-depth troubleshooting with your ISP.
    Get help from your Internet Service Provider.
    Some gaming connectivity issues may be caused by an issue from your ISP’s side. Make sure that you work with them if you continue to experience “Unable To Access Online Services” error on Modern Warfare.

  3. Repair game files.

    Corrupted saved game data can sometimes interfere with a game. This is true across platforms so if none of the solutions above has helped so far, you should consider deleting your COD Modern Warfare / Warzone game data. 
    NOTE: Keep in mind that doing this step will permanently delete your game progress in the campaign to be sure to back up your game data ahead of time.
    Follow these steps to access the System Storage and delete game data (PS4):
    -Open the Settings menu at the top of the dashboard.
    -Select Storage, then select System Storage.
    -Select Saved Data.
    -Choose a game to access the game’s saved data.
    -Press the Options button and select Delete.
    -Choose the saved data files to delete, then select Delete.

    To delete a saved game data on Xbox One:
    -From Xbox Home, go to Settings.
    -Go to System and select Storage.
    -Select Manage storage on the right-hand side of the screen, then select View contents.
    -Highlight a game, press the Menu button, and select Manage game.
    -Select Saved data on the left-hand side of the screen.
    -Choose a game to access the game’s saved data.
    -From here, use the Options Menu to delete files or to view more information about a specific file.

    To delete a saved game data on PC (Battle.net):
    -Close all Blizzard processes.
    -Press Ctrl+Shift+Esc to open the Task Manager.
    -Select the Processes tab.
    -Highlight all Agent, Blizzard Battle.net desktop app, and game processes, then select End Process.
    -Navigate to the folder containing the Battle.net directory:
    -Press Windows Key+R to open the Run dialogue.
    -Type C:\ProgramData\ into the Open field and press Enter.
    -Delete the Battle.net folder.
    -Run Battle.net and update the game.

Possible workaround for Modern Warfare “Unable To Access Online Services” error

Some Modern Warfare players only encounter this error when playing on a certain server or region. If none of the solutions above has helped so far, you can switch your gaming server to a different one and see if that will work. To do that, simple close the game, go to the Blizzard launcher and select Modern Warfare game. Then, click on the globe icon and select another region or server.

Keep in mind that changing regions or servers is not possible on PS4 or Xbox One.

Suggested readings:

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