8 Ways to Resolve "Remote Computer Requires Network Level Authentication" Error

The ability to access computers and systems remotely has become an essential part of the professional lives. However, this convenience can be occasionally hindered by technical glitches and errors that hinder smooth connectivity. One such common issue that frequently hampers the remote desktop experience is the dreaded "The Remote Computer Requires Network Level Authentication" error. 

This error often obstructs users from establishing a remote connection, leaving them dealing with frustration and lost productivity. In this comprehensive guide, we will delve into the details of this error and explore effective solutions to resolve it. By understanding the underlying causes and implementing the right strategies, users can swiftly overcome this barrier.

Part 1. Cause of "The Remote Computer Requires NLA" Error

Encountering the "The Remote Computer Requires NLA" error can be a frustrating roadblock. It impedes the smooth access to vital systems and data. Understanding the underlying causes of this error is crucial to troubleshoot and resolve the issue effectively:

• Outdated Remote Desktop Client: One of the primary culprits behind this error lies in the utilization of an outdated Remote Desktop Client. When the client software fails to meet the current security protocols, the remote connection is rejected, triggering the "The Remote Computer Requires Network Level Authentication" error.
• Incorrect System Configurations: Misconfigured system settings, such as inaccurate network configurations, security policies, or firewall settings, can lead to the NLA error. Any inconsistency in the system's configurations can create a mismatch between the authentication requirements of the remote computer and the connecting client.
• Network Issues and Latency: In certain instances, network issues and latency can contribute to the manifestation of the NLA error. Fluctuations in network connectivity, low bandwidth, or high latency can disrupt the authentication process, hindering the establishment of a secure remote connection.
• Security Software Interference: Overly restrictive security software, firewalls, or antivirus programs can sometimes interfere with the Network Level Authentication (NLA) process. It prevents the successful authentication of the remote connection and triggers the associated error.
• Incompatibility with Operating System Versions: Incompatibility between the operating system versions of the connecting client and the remote computer can also give rise to the NLA error. Variances in security protocols or settings between different operating systems may impede the successful initiation of a remote connection.

Part 2. 8 Solutions to “The Remote Computer Requires Network Level Authentication” Error

As we have established, encountering the "The Remote Computer Requires Network Level Authentication" error can be a significant inconvenience. Fortunately, there exist several effective solutions to address this issue and restore seamless connectivity. Consider the following strategies to mitigate the NLA error:

Solution 1. Troubleshoot the Network

When encountering the "The Remote Computer Requires Network Level Authentication" error, it's essential to begin troubleshooting by examining the network. Several network-related issues can contribute to this error, hindering the authentication process between the remote computer and the connecting client. Follow these steps to effectively troubleshoot the network:

Step 1: Employ the “Win + I” key combination to access the Windows Settings and tap “Update & Security.” Now, select “Troubleshoot” from the left panel and click “Additional Troubleshooters.”

Step 2: Follow it by tapping “Incoming Connections” and choosing “Run the troubleshooter” to fix problems within it.

Solution 2. Reset Network Settings

Resetting network settings can often rectify underlying configuration issues that contribute to the "The Remote Computer Requires Network Level Authentication" error. Follow these steps to effectively reset network settings and establish a stable connection:

Step 1: Right-click the Windows Taskbar and click “Task Manager” in the context menu. Now, tap “File” and select “Run new task.” On the following window, type “cmd” into the “Open” field and check the “Create this task with administrative privileges.”

Step 2: Click "OK" to launch the Command Prompt, and here, run the "netsh int ip set DNS" command. When the command has completed its execution, run the command "netsh winsock reset" to complete the reset network settings process.

Solution 3. Disable and Enable Network Adapter

Disabling and re-enabling the network adapter is an effective troubleshooting method to resolve network-related issues. It can also help rectify the "The Remote Computer Requires Network Level Authentication" error. Follow these steps to disable and enable the network adapter:

Step 1: Start by using the Windows Search bar to look for "View Network Connections." Once it appears in the search, tap “Open” to access it.

Step 2: Now, right-click "Ethernet," select "Disable," and repeat the same process for "Wi-Fi." After waiting a few moments, right-click on both options again and choose "Enable."

Solution 4. Disable NLA Using System Properties

Disabling Network Level Authentication (NLA) through the System Properties settings can bypass the "The Remote Computer Requires Network Level Authentication" error. It is especially helpful in situations where NLA is not mandatory. The steps for disabling NLA through System Properties are given below:

Step 1: On your Windows computer, open the Run function using the "Win + R" keys, type "sysdm.cpl" and press “OK” to run it. It will open the “System Properties” window where you need to access the “Remote” tab.

Step 2: Here, move to the "Remote Desktop" section and uncheck the "Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended)" box. Now, use “Apply” to implement the changes and then reboot the computer for changes to take effect.

Solution 5. Using PowerShell to Disable the NLA

Utilizing PowerShell commands provides an alternative method to disable Network Level Authentication (NLA). It can help you in resolving the "The Remote Computer Requires Network Level Authentication" error. Follow these steps to disable NLA using PowerShell:

Step 1: Access the Power menu using the “Win + X” keys and tap “Windows PowerShell (Admin).” Once it is opened, run the command “$TargetMachine = "Target-Machine-Name" on it.

Step 2: Afterward, execute the following command to disable NLA. Once the command is executed, you will need to reboot the computer.

“(Get-WmiObject -class Win32_TSGeneralSetting -Namespace root\cimv2\terminalservices -ComputerName $ComputerName -Filter "TerminalName='RDP-tcp'").SetUserAuthenticationRequired(0)”

Solution 6. Disable NLA Using Windows Registry

Disabling Network Level Authentication (NLA) through the Windows Registry provides an alternative approach to bypass the remote computer you are connecting to, which requires an NLA error. Here are the steps to disable NLA using the Windows Registry:

Step 1: After launching the Run function, type “regedit” and press “OK” to access Windows Registry Editor. Here, click “File” from the top left corner and select "Connect Network Registry."

Step 2: Now, input the network information and allow some time for the connection to be established with the network device. Once the connection is established, navigate to HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp.

Step 3: Here, locate files named "SecurityLayer" and "UserAuthentication," and once you find them, change their value to “0.” Now, exit the Registry Editor and restart your computer for the process to complete.

Solution 7: Disabling NLA Using Group Policy Editor

Using the Group Policy Editor provides a centralized and efficient approach to disabling Network Level Authentication (NLA). This, as a result, resolves the "The Remote Computer Requires Network Level Authentication" error. Follow these steps to disable NLA using the Group Policy Editor:

Step 1: Access the "Run" function on your Windows computer, and  once it is launched, type “gpedit.msc" and hit “Enter.” Here, move to the "Computer Configuration" tab and click "Administrative Templates."

Step 2: On the right side of the screen, tap “Windows Components” and follow it by pressing “Remote Desktop Services” on the following screen. Here, access the "Remote Desktop Session Host" folder and choose “Security.”

Step 3: Within the “Security” folder, double-click the option "Require user authentication for remote connections by using Network Level Authentication." On the following screen, “Disable” it and save the settings. You will need to reboot your system for this change to take effect.

Solution 8. Delete "Default.rdp" File

Deleting the "Default.rdp" file is an effective solution to resolve the "The Remote Computer Requires Network Level Authentication" error. This file may contain settings that conflict with the current configuration, causing the NLA error. Should you come across a Default.rdp file in the "My Documents" folder, ensure its permanent removal by pressing “Ctrl + Shift + Del.”

This step is intended to resolve the issue at hand. In the event that the problem persists, consider disconnecting your computer from the domain, followed by a subsequent reconnection to the domain.

Tips: Remote Access Without Disabling NLA Over Avica

In the realm of remote connectivity, Avica Remote Desktop stands out as an innovative and user-friendly solution. As a third-party remote desktop software, Avica enables smooth access to remote computers without the need to disable Network Level Authentication (NLA). Designed with a user-centric approach, Avica streamlines the remote access process, ensuring a secure and high-performance connection. Its user-friendly interface enables effortless file transfers through a simple drag-and-drop mechanism.

A significant feature of Avica is its capacity to safeguard your work by disabling the screen of the remote device, thus preventing unauthorized access. Additionally, Avica allows users to add and organize numerous devices according to their requirements. Utilizing its patented transfer protocol, Avica ensures swift and secure data transfers, prioritizing high-speed performance. It enhances multitasking capabilities and improves overall productivity.

Key Features of Avica

• Capable of accommodating the connection of up to four game controllers simultaneously.
• Display multiple remote device screens on a single primary monitor.
• Establish connections to multiple remote devices using a single account without any restrictions on the number of connections.
• Generate numerous virtual screens across the monitors of the remote device.

Using Avica to Establish Remote Connections with Computers and Smartphones

Feel free to easily download Avica software by clicking the button below. If you require additional information about Avica product downloads, please visit the dedicated Avica download page. Rest assured, Avica guarantees safety and ensures that all products acquired from their official website or app store are free from viruses. You can confidently download Avica from these trusted sources.

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Step 1: Initiate a Remote Session Procedure

Commence the process by installing Avica on your computers. Now, open the application and log in using your Avica account. Upon successful login, navigate to the "Remote Session" option and enter the remote device's "Avica ID."

Step 2: Successfully Establish the Remote Connection

After inputting the "Avica ID," click on the "Connect" button, and subsequently, input the designated password. This action will establish the remote control connection between both devices.

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Conclusion

To conclude, encountering the "The Remote Computer Requires Network Level Authentication" error can significantly impede productivity and efficient remote access. Throughout this comprehensive guide, we have explored a multitude of effective solutions. These solutions enable users to bypass the NLA requirement, fostering a secure and uninterrupted remote connection.

Moreover, as highlighted, Avica presents itself as a cutting-edge solution. It surpasses the need to disable Network Level Authentication, ensuring a secure, user-friendly, and high-performance remote access experience. Thus, Avica is an optimal choice for businesses and professionals seeking efficient and secure remote computing solutions.