From Windows 10, uncheck the option to “Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended)”: From Windows 7, it’s setting the o… From File Explorer, choose Computer, right-click and select Properties, then click Change Settings, and go to the Remote tab. So after applying rule 1 of system administration (turn it off … The Local Security Authority cannot be contacted. The next step to to try to fix “remote desktop can’t connect to the remote computer” is to check whether Remote Desktop is enabled. Fixed: Remote Desktop An Authentication Error Has Occurred, 6 Methods to Fix the Windows 10 Remote Desktop Not Working Error, Windows Defender Blocked by Group Policy? I have run into this error a few times in the past. To learn more about the vulnerability, see CVE-2018-0886. In some cases, the administrator can change the RDP port from default 3389 to something else (although Microsoft does not recommend this). If you are an administrator on the remote computer, you can disable NLA by using the options on the Remote tab of the System Properties dialog box." MiniTool ShadowMaker helps to back up system and files before the disaster occurs. Step 5: Reboot your computer and then check if the “An authentication error has occurred” error is fixed. There is another method you can try to fix the “An authentication error has occurred” error – edit the Registry. As a workaround, disable authentication using a new RDP file. Author Sonya has been engaged in editing for a long time and likes to share useful methods to get rid of the common problems of Windows computers, such as Windows Update error. Simply adjust the Remote Desktop settings on the host machine to a lower security level. Step 4: Click Apply and OK to save the changes. If you do not have Group Policy Editor on your computer, we can use the registry editor to add the key. It will introduce you 5 methods to repair this problem. To change it (in Vista): The remote desktop error ‘ An internal error has occurred ’ is often caused by RDP settings or its local group policy security. When you try to connect a remote computer, but the Windows 10 Remote Desktop not working error appears, then you can find methods to fix the error in this post. The remote computer that you are trying to connect to requires Network Level Authentication (NLA), but your Windows domain controller cannot be contacted to perform NLA. Step 1: Press the Win key + R key at the same time to open the Run box. By the way, she likes to travel, watch movies and listen to music. Each time I do, I solve it and forget about it, so that it stymies me for a few minutes the next time I run into it. People using Remote Desktop Connection might face a situation where they experience the error “ An Authentication Error has occurred ” when trying to establish a connection with another remote PC. These security patches are installing through Windows Updates. Both fail. It is kind of guideline and it may vary computer to computer depending on preferences. Click Apply and OK to save changes. When attempting to Remote Desktop (RDP) to a Windows machine, you may receive an error. Superior record of delivering simultaneous large-scale mission critical projects on time and under budget. Step 4: Choose Enabled and then select the Vulnerable option under the Protection Level drop-down menu. Before Vista, Remote Desktop Connection 6.0 has been included in the To sort out your concern, we suggest that you check the Remote Desktop settings from System Properties to determine if the issue is not related to it. People using Remote Desktop Connection might face a situation where they experience the error “An Authentication Error has occurred” when trying to establish a connection with another remote PC. Once in elevated command prompt, execute the following command: After executing the command, try connecting again. Step 3: Go to the Remote tab and then uncheck the Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended) option. Step 3: Double-click the AllowEncryptionOracle DWORD to open its Edit DWORD window. Among these, new security rules have been introduced on some CredSSP protocol vulnerabilities in the RDP authentication phase, better known as Terminal Desktop or Remote Desktop. The error seems to be related to Network Level Authentication (NLA) feature in the latest version of Remote Desktop for Windows. The methods are shown below. Free download YouTube 4k videos/playlists/subtitles and extract audios from YouTube. I have the same problem with Remote Desktop Manager version : 11.1.11.0 windows build 14316 swithcing off NLM does allow me to login. North America, Canada, Unit 170 - 422, Richards Street, Vancouver, British Columbia, V6B 2Z4, Asia, Hong Kong, Suite 820,8/F., Ocean Centre, Harbour City, 5 Canton Road, Tsim Sha Tsui, Kowloon. Now I've set it to allow any connection (less secure, mind), and the RDP Mobile works! When you try to establish a connection with another remote computer using Remote Desktop Connection, you may get an error message saying that “An authentication error has occurred the function requested is not supported”. You can download Restoro by clicking the Download button below. แก้ไข Remote Desktop connection แสดง CredSSP linkid=866660 Windows 10 วิธีตั้งค่า Microsoft Edge ให้เปิดเว็บ Google เป็นหน้าแรก Step 2: Navigate to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters. In order to fix the “An authentication error has occurred the function requested is not supported” error, the first step you can take is to change the remote desktop settings. If you are looking for a method to fix broken registry items, this post is what you want. ; Click Repair All to fix issues affecting your computer's security and performance ; Restoro has been downloaded by 0 readers this month. Remote Desktop RDP The Local Security Authority cannot be contacted. Step 5: Close all the windows. The Windows Group Policy Editor contains critical information which dictates how computers should interact and perform different operations. Enable Remote Connections in Group Policy Editor Remote Desktop Connection An authentication error has occurred. "The remote computer that you are trying to connect to requires Network Level Authentication (NLA), but your Windows domain controller cannot be contacted to perform NLA. Step 2: Click Computer Configuration and then select Administrative Templates > System > Credentials Delegation on the left of the window. We have experience with this software and we recommend it because it is helpful and useful): Try These 6 Methods, A Guide on How to Fix Broken Registry Items via Five Methods. Batch convert video/audio files between 1000+ formats at lightning speed. Unfortunately this has caused for a large number of users the appearance of the following error when making a remote connection via RDP: Before we move on to other extensive solutions, it is probably wise to install the latest Windows updates on both computers. He holds Masters degree in Computer Applications (MCA). It seems that the remote connection wanted … Client and remote are domain-joined and I am admin of these computers (I'm not domain admin). ; Click Start Scan to find Windows issues that could be causing PC problems. When you try to connect to a remote computer with a vulnerable CredSSP from Windows 10/Windows Server 2016, you receive the Remote Desktop Connection error: An authentication error has occurred. And she aims to help more people to protect their data. 1 – Simply adjust the Remote Desktop settings on the host machine to a lower security level. To restore remote desktop connection, you can uninstall the specified security update on the remote computer (but it is not recommended and you should not do this, there is a more secure and correct solution).. To fix the connection problem, you need to temporarily disable the CredSSP version check on the computer from which you are connecting via RDP. An authentication error has occurred. South Jersey Techies 229 North Locust Avenue Marlton, NJ 08053 Local: (856) 745-9990 Fax: (856) 983-0601 Check RDP Port and Windows Firewall Settings. Follow the detailed instructions below: Step 1: Open the Run box and then type gpedit.msc in the box. This is because the causes of this error message can be tracked ranging from incomplete updates to problems in the group policy. There have been quite a few reports which state that users are not able to use the Remote Desktop Connection client to connect to another system. Type cmd in the Run box and then click OK to open the Command Prompt window. If you don’t know, then this post written by MiniTool is what you need. So how to fix the “Remote Desktop An authentication error has occurred” error? If this doesn’t work, restart your computer and try again. The causes are but not limited to: Before you move on to the solutions, make sure that you have an active internet connection and are logged in as an administrator. Free, intuitive video editing software for beginners to create marvelous stories easily. This security update addresses the vulnerability by correcting how CredSSP validates requests during the authentication process. In the Remote Settings on my laptop (the computer I was connecting to), I had it set to only allow connections with Network Level Authentication. Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here). When you are attempting to remotely connect, it is necessary that both the computers have the same security patches installed to avoid security vulnerabilities. Copyright © 2020 MiniTool® Software Limited, All Rights Reserved. . Restart your computer and check if the error message is resolved. He has written several tech articles for popular newspapers and magazines and has also appeared in tech shows on … This works in most cases, where the issue is originated due to a system corruption. Make sure that both computers are updated. Remote computer can be either Win10 enterprise or Win2016 server. Like mentioned before, the causes for this error can be traced to a number of different modules. Step 2: Type sysdm.cpl in the box and then click OK to open the System Properties window. Watch Dogs: Legion Online Multiplayer Launches March 9th, Nøkk is Getting a Significant Buff in Rainbow Six Siege’s Next Patch, Rainbow Six Siege Operation Crimson Heist and Year 6 Roadmap Revealed, Rainbow Six Siege Will Soon Allow Dead Players to Control Cameras and Drones, Rainbow Six Siege Operation Crimson Heist “Flores” Gadget and Loadout Leaked. To check the current port on which the Remote Desktop service is listening on the computer, open the registry editor (regedit.exe), and go to the registry key: When you try to establish a connection with another remote computer using Remote Desktop Connection, you may get an error message saying that “An authentication error has occurred the function requested is not supported”. From File Explorer, choose Computer, right-click and select Properties, then click Change Settings, and go to the Remote tab. The issue that you’ve encountered about setting up the Remote Desktop Connection may be caused by some settings configuration or some software conflict. That will open up the system properties window, where you need to select the “Remote” tab and make sure to clear the box next to “Allow connections only from computers running remote desktop with network level authentication (recommended)”. I can connect to remote with domain credentials, however any application that requires a PIN in the remote computer fails. What’s more, she offers some useful ways to convert audio and video file formats. Below are the steps: Navigate to Start > Administrative Tools > Remote Desktop Services > … You can also try to change the Group Policy settings to fix the “An authentication error has occurred” error. The methods are shown below. Hopefully after writing this post I’ll remember next time. An authentication error has occurred. There are some keys which we must change so a connection to the other computer is established without any issues. I went and edited remote desktop connection, in the advanced tab, server Authentication, connect and don’t warn me. You can find several efficient methods to fix the error. Step 3: Double-click the Encryption Oracle Remediation on the right of the window. Updates March 13, 2018. I will strongly suggest to read the article and in detail CVE-2018-0886.When I found that issue few weeks ago after the CVE article I've decided to patch immediately few servers, the main reason is that "Any change to Encryption Oracle Remediation requires a reboot. What will you do when you encounter the error “An authentication error has occurred”? Award winning disk management utility tool for everyone, Complete data recovery solution with no compromise, Quick, easy solution for media file disaster recovery, Android, iOS data recovery for mobile device. 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