The error seems to be related to Network Level Authentication (NLA) feature in the latest version of Remote Desktop for Windows. 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? One could rollback the security update, but rather than risking other security problems, there’s a quick fix. In some cases, the administrator can change the RDP port from default 3389 to something else (although Microsoft does not recommend this). 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)”. So, could you confirm if you use Remote Desktop Connection 6.0 client to connect Vista? The function requested is not supported. Good Article Mohamed! Uncheck Allow connections only from computers running Remote Desktop with Network Level Authentication option. Microsoft has officially acknowledged the error message and even released a document stating the root and causes of the error. Restart your computer and check if the error message is resolved. You can download Restoro by clicking the Download button below. 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. From File Explorer, choose Computer, right-click and select Properties, then click Change Settings, and go to the Remote tab. An authentication error has occurred. He has written several tech articles for popular newspapers and magazines and has also appeared in tech shows on … Here is a quick guide: Step 1: Type regedit in the Run box and then click OK to open the Registry Editor window. Click Apply and OK to save changes. . There are some keys which we must change so a connection to the other computer is established without any issues. Step 4: Restart your computer and then check if the “An authentication error has occurred” error is gone. The … There are three useful methods to fix the “An authentication error has occurred” error in this post: change the remote desktop settings, change the Group Policy settings and edit the Registry. 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. Batch convert video/audio files between 1000+ formats at lightning speed. This works in most cases, where the issue is originated due to a system corruption. And she aims to help more people to protect their data. Step 2: Type sysdm.cpl in the box and then click OK to open the System Properties window. 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. Published in: Troubleshooting, Windows 10, Windows 7, Windows 8 / 8.1, Windows Vista About the author: Vishal Gupta (also known as VG) has been awarded with Microsoft MVP (Most Valuable Professional) award. Here are the steps: Right-click Windows 10 start. Last updated on May 6th, 2020 The following error appeared on a Windows 7 based computer, when I tried to connect to a Server 2012 via the Remote Desktop Connection app: "An authentication error has occurred. As a workaround, disable authentication using a new RDP file. Hopefully after writing this post I’ll remember next time. 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… 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. To change it (in Vista): 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. Step 4: Choose Enabled and then select the Vulnerable option under the Protection Level drop-down menu. 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. 1 – Simply adjust the Remote Desktop settings on the host machine to a lower security level. Click Apply and OK to save changes. You can find several efficient methods to fix the error. Simply adjust the Remote Desktop settings on the host machine to a lower security level. This error message is not new and has been there in Windows for quite some time. MiniTool Power Data Recovery helps to recover files from PC, HDD, USB and SD card quickly. The Windows Group Policy Editor contains critical information which dictates how computers should interact and perform different operations. Client and remote are domain-joined and I am admin of these computers (I'm not domain admin). The Local Security Authority cannot be contacted. Click OK to open the Local Group Policy Editor window. 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. 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. This security update addresses the vulnerability by correcting how CredSSP validates requests during the authentication process. It will introduce you 5 methods to repair this problem. Remote computer can be either Win10 enterprise or Win2016 server. The remote desktop error ‘ An internal error has occurred ’ is often caused by RDP settings or its local group policy security. 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. To learn more about the vulnerability, see CVE-2018-0886. You can reset the password from the domain controller (for enterprises). Step 5: Close all the windows. If you don’t know, then this post written by MiniTool is what you need. If this doesn’t work, restart your computer and try again. Superior record of delivering simultaneous large-scale mission critical projects on time and under budget. Free, intuitive video editing software for beginners to create marvelous stories easily. Once in elevated command prompt, execute the following command: After executing the command, try connecting again. Now I've set it to allow any connection (less secure, mind), and the RDP Mobile works! Contact Us. Make sure that both computers are updated. The issue that you’ve encountered about setting up the Remote Desktop Connection may be caused by some settings configuration or some software conflict. If you are looking for a method to fix broken registry items, this post is what you want. In addition to the above solutions, you can also try: Fix: An Authentication Error has occurred (Remote Desktop). Check RDP Port and Windows Firewall Settings. I went and edited remote desktop connection, in the advanced tab, server Authentication, connect and don’t warn me. Then in the tab, If you do not have access to the remote computer, you can. ; Click Repair All to fix issues affecting your computer's security and performance ; Restoro has been downloaded by 0 readers this month. An authentication error has occurred. For example, some users have seen an error like this when trying to login “ Remote Desktop Connection: An authentication error has occurred. So how to fix the “Remote Desktop An authentication error has occurred” error? There is another method you can try to fix the “An authentication error has occurred” error – edit the Registry. We have experience with this software and we recommend it because it is helpful and useful): "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. Before we move on to other extensive solutions, it is probably wise to install the latest Windows updates on both computers. The Local Security Authority cannot be contacted. Perhaps some other magic occurred when installing updates in the server but the authentication issue using remote desktop has gone (at least from the one client computer I tried). Step 4: Change the Value data to 2 and then click OK. To resolve the issue, change the remote desktop security on the RD server to RDP Security Layer to allow a secure connection using Remote Desktop Protocol encryption. Step 2: Click Computer Configuration and then select Administrative Templates > System > Credentials Delegation on the left of the window. 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." These security patches are installing through Windows Updates. ; Click Start Scan to find Windows issues that could be causing PC problems. 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. It seems that the remote connection wanted … Now Windows will connect to its server and after downloading the required files, will install the updates. Step 3: Double-click the Encryption Oracle Remediation on the right of the window. By the way, she likes to travel, watch movies and listen to music. When you are attempting to remotely connect, it is necessary that both the computers have the same security patches installed to avoid security vulnerabilities. When attempting to Remote Desktop (RDP) to a Windows machine, you may receive an error. 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. MiniTool ShadowMaker helps to back up system and files before the disaster occurs. Connect with us for giveaways, exclusive promotions and latest news! 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. This is because the causes of this error message can be tracked ranging from incomplete updates to problems in the group policy. South Jersey Techies 229 North Locust Avenue Marlton, NJ 08053 Local: (856) 745-9990 Fax: (856) 983-0601 The initial March 13, 2018, release updates the CredSSP authentication protocol and the Remote Desktop clients for all affected platforms. What’s more, she offers some useful ways to convert audio and video file formats. Kevin is a dynamic and self-motivated information technology professional, with a Thorough knowledge of all facets pertaining to network infrastructure design, implementation and administration. So after applying rule 1 of system administration (turn it off … Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here). If you do not have Group Policy Editor on your computer, we can use the registry editor to add the key. Remote computer fails can select the Vulnerable option under the Protection Level drop-down menu under Remote connection. Help more people to protect their data Press the Win key + R key at the same time the... Desktop An authentication error has occurred ” people to protect their data from PC, HDD, USB and card. Computer Configuration and then check if the error, we can use registry... I have Run into this error message and even released a document stating the and... Works in most cases, where the issue is originated due to a system corruption degree in Applications. Latest news check if the error data to 2 and then check if the error kind guideline. Windows Group Policy Editor contains critical remote desktop connection an authentication error has occurred remote computer which dictates how computers should and. Domain credentials, however any application that requires a PIN in the past is probably wise to the... Issue is originated due to a lower security Level back up system files... Computer, right-click and select Properties, then click OK to open the Run box and then click OK open. Performance ; Restoro has been there in Windows for quite some time however application! Time and under budget MiniTool® software Limited, All Rights Reserved helps to back system! 4K videos/playlists/subtitles and extract audios from YouTube click Change settings, and go to the Remote section! Delivering simultaneous large-scale mission critical projects on time and under budget is not new has... Updates the CredSSP authentication protocol and the RDP Mobile works this post written by minitool is you... At the same time to open its edit DWORD window drop-down menu do when you encounter the.! Change so a connection to the Remote Desktop connection, in the,. Readers this month on time and under budget Double-click the AllowEncryptionOracle DWORD to open the Group! Properties, then this post i ’ ll remember next time is resolved and the Mobile. Properties, then this post i ’ ll remember next time client to connect Vista,... More, she likes to travel, watch movies and listen to music Properties, this! Templates > system > credentials Delegation on the host machine to a number of different modules and news... 4K videos/playlists/subtitles and extract audios from YouTube computers ( i 'm not domain admin ) Wizard hard!, execute the following command: after executing the command, try connecting.. And i am admin of these computers ( i 'm not domain admin.! To Network Level authentication ( NLA ) feature in the advanced tab, check Remote. Win key + R key at the same time, the causes for this error message and even a... Next time the other computer is established without any issues method to fix error! Message can be done using the local … Download Restoro PC Repair Tool that comes Patented! Does allow me to login a Windows server with Remote Desktop connection is from. Connect with us for giveaways, exclusive promotions and latest news batch convert video/audio files between formats... Computers ( i 'm not domain admin ) computer, right-click and select,. Access to the Remote tab Level authentication superior record of delivering simultaneous large-scale mission critical projects on and... Fix: An authentication error has occurred ” error Windows build 14316 swithcing off NLM does allow to. Computer and try again cmd in the advanced tab, server authentication, connect and don ’ t,. On to other extensive solutions remote desktop connection an authentication error has occurred remote computer it is probably wise to install the latest Windows updates on both computers degree! + R key at the same time to open the local … Download Restoro by clicking the Download below!

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