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Home»Windows»Fixed: The Remote Computer Requires Network Level Authentication Which Your Computer Does Not Support

Fixed: The Remote Computer Requires Network Level Authentication Which Your Computer Does Not Support

BhishuBy BhishuOctober 30, 2022
the remote computer requires network level authentication which your computer does not support

“The remote computer requires network level authentication, which your computer does not support” message can pop up when you’re trying to connect to a different computer using the Remote Desktop app.

Well, this is primarily caused by the issues with the Network Level Authentication (NLA) feature on the local computer, which is responsible for authenticating remote desktop clients and servers before establishing the connection.

Interestingly, the error can be triggered due to issues on either side (remote or local computer). Regarding the same, this article focuses on the quick solutions that should help you fix it.

Table of Contents

  • Causes for the Network Level Authentication Error
  • Fix: The Remote Computer Requires Network Level Authentication Which Your Computer Does Not Support
    • Disable & Reenable Remote Desktop
    • Configure Remote Desktop NLA Settings
    • Disable User Authentication for Remote Connections
    • Disable & Reenable NLA Settings
    • Tweak LSA Value in Windows Registry
    • Run Dedicated Troubleshooters
    • Restart Remote Desktop Services

Causes for the Network Level Authentication Error

“The remote computer requires network level authentication, which your computer does not support” is definitely caused by the NLA. Hence, you’ll need to check the Remote Desktop NLA settings, services, and registry configuration.

But before that, let’s find out the major causes behind the RDP (Remote Desktop Protocol) error:
  • The local computer allows connection only from those devices that have NLA enabled
  • User authentication for remote connections is enabled
  • The Local Security Authority (LSA) service is incorrectly configured
  • Problems within the Remote Desktop services
  • Possible network and connectivity issues

Fix: The Remote Computer Requires Network Level Authentication Which Your Computer Does Not Support

Before diving into the quick fixes, we first recommend checking your internet connection. Since the RDP requires a stable network, you might want to power cycle your router or even try reestablishing the ethernet or wireless connection.

If it didn’t help, you can go through this section to fix the “The remote computer requires network level authentication, which your computer does not support” error.

Disable & Reenable Remote Desktop

The Remote Desktop Protocol is an excellent feature that lets you access another desktop from a different location. However, it’s frustrating when the Remote Desktop application can’t find the remote computer or triggers error messages.

Basically, this program works using Network Level Authentication, a security feature that prevents the local computer from possible denial-of-service attacks. Hence, you might encounter unwanted errors if it is disabled or incorrectly configured.

So, you can try disabling and reenabling the remote desktop feature to see if this works. Follow the below steps on how to do it:

  1. Press Windows + I hotkey to launch the Windows Settings application on your local computer.
  2. Next, navigate to System > Remote Desktop.
    system remote desktop
  3. Here, turn off the Remote Desktop option and enable it back.
    reenable remote desktop
  4. Again, repeat the same process for the remote computer if it’s accessible to you or someone you know.

Configure Remote Desktop NLA Settings

If you’ve set up Remote Desktop, allowing connections from just the computers running NLA, you won’t be able to access those desktops that do not support this feature. Hence, you can configure this setting, which should fix the RDP error:

  1. Go to the start menu and look for Settings.
  2. Launch it and move to System > About.
    system about
  3. Here, expand the Device Specifications option and choose Advanced system settings.
    advanced system settings
  4. In the System Properties window, switch to the Remote tab.
  5. Now, find and uncheck Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended) under the Remote Desktop section. 
  6. Then, press the Ok button to save this change.
    allow connections only from computers running remote desktop with nla
  7. Next, open the Remote Desktop Connection app and establish the connection. This time, you should not see the error message, and you’ll be able to access the remote desktop.

Alternatively, there’s a much easier way to configure the Remote Desktop NLA settings, and here’s how you can do it:

  1. In the Settings window, move to System > Remote Desktop.
  2. Then, expand the Remote Desktop drop-down.
  3. Here, you’ll find the Require devices to use Network Level Authentication to connect (Recommended) option. Simply uncheck it, and this will do the same thing as earlier.
    require devices to use nla to connect

Disable User Authentication for Remote Connections

A remote desktop connection won’t be established if there’s user authentication enabled on the local or remote computer. Hence, we recommend disabling this security service so that you can access the client’s device without having them authorize it:

  1. Open the Run application using the Windows + R hotkey.
  2. Here, type gpedit.msc and hit enter to launch the Local Group Policy Editor.
  3. Now, move to the below location from the left pane:
    Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Security
    security in remote desktop session host
  4. Now, move to the right pane and double-click the Require user authentication for remote connections using Network Level Authentication.
    Require user authentication for remote connections using Network Level Authentication
  5. After a new dialogue box launches, find and select the Disabled option.
  6. Press Ok and close the Local Group Policy Editor window.
  7. Finally, try connecting with the remote desktop, and you shouldn’t encounter the error message this time. 

Note: You can also try disabling the user authentication feature on the remote computer (if accessible) and check if this solves your problem.

Disable & Reenable NLA Settings

If tweaking the NLA settings on System Properties and Local Group Policy Editor didn’t fix the error, we suggest reenabling the NLA settings. Kindly go through the below guide on how you can do this:

  1. In the Run utility, run the regedit.exe command.
  2. Since Windows Registry needs administrative privileges, press Yes to launch it.
  3. Now, navigate to the below address:
    Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp
    rdp tcp address path in registry editor
  4. Then, move to the right pane and double-click the SecurtiyLayer value. Set it to 0 and press Ok.
    edit security layer value
  5. Next, double-click the UserAuthentication value and set it to 0 as well.
    edit userauthentication value
  6. Now, restart your computer.
  7. Leaving the NLA turned off won’t let Windows authenticate the remote desktop clients and servers. Thus, we recommend navigating back to the Registry Editor and setting their default values.
  8. Again, reboot your PC and try using the Remote Desktop Connection app again. This should fix your problem.
  9. If it doesn’t, disable and re-enable NLA settings on the remote computer, which might do the trick.

Tweak LSA Value in Windows Registry

Basically, the Local Security Authority is responsible for the validity of local and remote sign-ins. Hence, if there are any issues with this security feature, it might cause unexpected RDP errors.

Nonetheless, there’s an easy way to configure LSA using the Registry Editor on Windows. Please follow the below guideline on configuring the correct value to get rid of the “The remote computer requires network level authentication, which your computer does not support” error:

  1. First, launch the Windows Registry application, as discussed earlier.
  2. Now, copy and paste the below address to move to the LSA section:
    Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
    move to lsa path
  3. In the right pane, double-click on Security Packages.
  4. Here, set the value data as tspkg and choose Ok.
    edit securityproviders to credssp dll
  5. Next, move to the below path to make security changes:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders
    move to security providers path
  6. In the right pane, double-click the SecurityProviders value.
  7. Here, edit the Value data field to credssp.dll and tap the Ok button.
    edit securityproviders to credssp dll
  8. Finally, restart your computer and use the Remote Desktop app to connect to the target computer.

Run Dedicated Troubleshooters

If none of the above-mentioned fixes worked for you, there’s probably some other issue related to internet connections or a network adapter. Thus, to quickly fix these problems, we advise running each dedicated troubleshooter:

  1. Firstly, navigate to the Windows Settings application using the instant search.
  2. Now, go to System > Troubleshoot.
    troubleshoot option in system settings
  3. Here, select Other troubleshooters, which will take you to a list of built-in Windows troubleshooters.
    other troubleshooters
  4. Here, run the Internet Connections troubleshooter. You’ll likely find this under the Most Frequent section.
    internet connections troubleshooter
  5. Please wait for a few seconds, and once the selection menu appears, pick Troubleshoot my connection to the internet.
    troubleshoot my connections to the internet
  6. Again, wait for about a minute, and the troubleshooter should identify and list the problems.
  7. Close the dialogue box and try connecting to the remote computer.
  8. If that didn’t help, open the Other troubleshooters page again. Now, run the Incoming connections troubleshooter to find and fix connections and Windows Firewall issues.
    incoming connections troubleshooter
  9. Under ‘What are you trying to do?’, select Connect to this computer using Remote Desktop Connection option, and tap Next.
    connect to this computer using remote desktop connection
  10. Once the troubleshooting is completed, the problems will be fixed and listed in the result window.
  11. If this didn’t help, run the Network Adapter troubleshooter this time.
    run network adapter troubleshooter
  12. Under ‘Select the network adapter to diagnose’, choose the connection you’re using. For example, we have selected the Wi-Fi option here.
    select wifi to diagnose
  13. After clicking on the Next button, wait until the possible problems are detected and resolved.
  14. Finally, check if you can connect to the target computer without receiving the “The remote computer requires network level authentication, which your computer does not support” message.

Note: You may also try updating network adapters. Basically, this fixes the corrupted driver and installs the latest one eradicating the network-related problems that might have triggered the RDP error.

Restart Remote Desktop Services

Indeed, if the Remote Desktop services aren’t running or there are some issues, the Remote Desktop application may malfunction or trigger such error messages. Nevertheless, refreshing or restarting the services should fix this problem:

  1. Search and open the Services program in the start menu.
  2. Now, find these three services – Remote Desktop Configuration, Remote Desktop Services, and Remote Desktop Services UserMode Port Redirector.
    remote desktop services
  3. Then, ensure that each of them is running. If not, right-click and select Start. 
    start remote desktop services
  4. If they are already running, choose the Refresh button.
    refresh remote desktop services
  5. Now, check for the error in the Remote Desktop app.
  6. If the issue persists, move back to the Windows Services app and right-click on each of the three services. This time, pick the Restart option.
    restart remote desktop services
  7. Hit the Yes button to start the restarting process.
    press yes to start restarting remote desktop services

Lastly, the three Remote Desktop services are further dependent on the Remote Procedure Call (RPC), Workstation, Network Store Interface Service, DCOM Server Process Launcher, and RPC Endpoint Mapper. Hence, we suggest refreshing and restarting each of these services to see if this fixes the error.

fix
Bhishu

Bhishu is an experienced technical writer and hardware specialist. He is passionate about repairing computers and fixing errors. At Tech News Today, he mainly covers Windows and Hardware.

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