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: Change the Value data to 2 and then click OK. 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. This works in most cases, where the issue is originated due to a system corruption. 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. It will introduce you 5 methods to repair this problem. Batch convert video/audio files between 1000+ formats at lightning speed. 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. He holds Masters degree in Computer Applications (MCA). 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. There is another method you can try to fix the “An authentication error has occurred” error – edit the Registry. There are some keys which we must change so a connection to the other computer is established without any issues. From File Explorer, choose Computer, right-click and select Properties, then click Change Settings, and go to the Remote tab. The Remote Desktop Mobile application does NOT have Network Level Authentication. 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. What will you do when you encounter the error “An authentication error has occurred”? Microsoft has officially acknowledged the error message and even released a document stating the root and causes of the error. An authentication error has occurred. . We have experience with this software and we recommend it because it is helpful and useful): For example, some users have seen an error like this when trying to login “ Remote Desktop Connection: An authentication error has occurred. Check RDP Port and Windows Firewall Settings. In Remote Desktop Connection 6.0, server authentication verifies that you are connecting to the correct remote computer or server, which may lead to some incompatibility issue. 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. 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). An authentication error has occurred. Click Apply and OK to save changes. 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: Microsoft has officially acknowledged the error message and even released a document stating the root and causes of the error. 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. Step 3: Double-click the AllowEncryptionOracle DWORD to open its Edit DWORD window. Now Windows will connect to its server and after downloading the required files, will install the updates. From File Explorer, choose Computer, right-click and select Properties, then click Change Settings, and go to the Remote tab. This error message is not new and has been there in Windows for quite some time. Then from Active Directory, you can select the user and open its properties. Before Vista, Remote Desktop Connection 6.0 has been included in the The function is not supported. 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. If the issue is with your Computer or a Laptop you should try using Restoro which can scan the repositories and replace corrupt and missing files. Step 2: Navigate to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters. 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”. To change it (in Vista): Step 3: Double-click the Encryption Oracle Remediation on the right of the 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. Below are the steps: Navigate to Start > Administrative Tools > Remote Desktop Services > … Step 7: Reboot your computer and then check if the error is fixed. Make sure that both computers are updated. 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? He has written several tech articles for popular newspapers and magazines and has also appeared in tech shows on … I can connect to remote with domain credentials, however any application that requires a PIN in the remote computer fails. Step 4: Click Apply and OK to save the changes. Uncheck Allow connections only from computers running Remote Desktop with Network Level Authentication option. So after applying rule 1 of system administration (turn it off … 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. Step 6: Type gpupdate /force in the window and then press Enter. 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." The Local Security Authority cannot be contacted. So how to fix the “Remote Desktop An authentication error has occurred” error? Create a new saved Remote Desktop File. 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. The … If you do not have Group Policy Editor on your computer, we can use the registry editor to add the key. Step 3: Switch to Remote tab, check Allow remote connections to this computer under Remote Desktop section. At the same time, the Remote Desktop connection is successful from Windows 10 based PCs. You can reset the password from the domain controller (for enterprises). You can find several efficient methods to fix the error. If you want to stay constantly protected from malware threats, existing and future ones, we recommend that you install Malwarebytes Anti-Malware PRO by clicking below (we do earn a commision from sales generated from this link, but at no additional cost to you. Free, intuitive video editing software for beginners to create marvelous stories easily. 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 … Once in elevated command prompt, execute the following command: After executing the command, try connecting again. 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. So, could you confirm if you use Remote Desktop Connection 6.0 client to connect Vista? These security patches are installing through Windows Updates. To learn more about the vulnerability, see CVE-2018-0886. 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. Click OK to open the Local Group Policy Editor window. If you don’t know, then this post written by MiniTool is what you need. Follow the detailed instructions below: Step 1: Open the Run box and then type gpedit.msc in the box. The remote desktop error ‘ An internal error has occurred ’ is often caused by RDP settings or its local group policy security. And she aims to help more people to protect their data. 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. Remote Desktop RDP Try These 6 Methods, A Guide on How to Fix Broken Registry Items via Five Methods. Free download YouTube 4k videos/playlists/subtitles and extract audios from YouTube. Unfortunately this has caused for a large number of users the appearance of the following error when making a remote connection via RDP: Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here). By Sonya | Follow | Last Updated November 26, 2020. Enable Remote Connections in Group Policy Editor Here are the steps: Right-click Windows 10 start. Once in the Group Policy Editor, navigate to the following key: Press Windows + S, type “command prompt” in the dialogue box, right-click on the application and select. In addition to the above solutions, you can also try: Fix: An Authentication Error has occurred (Remote Desktop). 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. I have run into this error a few times in the past. 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. 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. Simply adjust the Remote Desktop settings on the host machine to a lower security level. South Jersey Techies 229 North Locust Avenue Marlton, NJ 08053 Local: (856) 745-9990 Fax: (856) 983-0601 As a workaround, disable authentication using a new RDP file. Remote Desktop Connection An authentication error has occurred. Step 1: Press the Win key + R key at the same time to open the Run box. This is because the causes of this error message can be tracked ranging from incomplete updates to problems in the group policy. MiniTool Partition Wizard optimizes hard disks and SSDs with a comprehensive set of operations. Client and remote are domain-joined and I am admin of these computers (I'm not domain admin). Step 4: Choose Enabled and then select the Vulnerable option under the Protection Level drop-down menu. You can download Restoro by clicking the Download button below. Restart your computer and check if the error message is resolved. Good Article Mohamed! Both fail. 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”. By the way, she likes to travel, watch movies and listen to music. The function requested is not supported. 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. One could rollback the security update, but rather than risking other security problems, there’s a quick fix. "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. 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. Step 2: Click Computer Configuration and then select Administrative Templates > System > Credentials Delegation on the left of the window. The Windows Group Policy Editor contains critical information which dictates how computers should interact and perform different operations. Step 4: Restart your computer and then check if the “An authentication error has occurred” error is gone. ; Click Start Scan to find Windows issues that could be causing PC problems. The methods are shown below. Click Apply and OK to save changes. Updates March 13, 2018. So how to fix the “Remote Desktop An authentication error has occurred” error? MiniTool ShadowMaker helps to back up system and files before the disaster occurs. 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… Contact Us. The initial March 13, 2018, release updates the CredSSP authentication protocol and the Remote Desktop clients for all affected platforms. The issue that you’ve encountered about setting up the Remote Desktop Connection may be caused by some settings configuration or some software conflict. 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. Superior record of delivering simultaneous large-scale mission critical projects on time and under budget. This can be done using the local … Type cmd in the Run box and then click OK to open the Command Prompt window. You can also try to change the Group Policy settings to fix the “An authentication error has occurred” error. ; Click Repair All to fix issues affecting your computer's security and performance ; Restoro has been downloaded by 0 readers this month. What’s more, she offers some useful ways to convert audio and video file formats. 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. The Function Requested is not Supported.". Here is a quick guide: Step 1: Type regedit in the Run box and then click OK to open the Registry Editor window. Step 5: Reboot your computer and then check if the “An authentication error has occurred” error is fixed. Then in the tab, If you do not have access to the remote computer, you can. 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. This security update addresses the vulnerability by correcting how CredSSP validates requests during the authentication process. Hopefully after writing this post I’ll remember next time. If this doesn’t work, restart your computer and try again. Step 2: Type sysdm.cpl in the box and then click OK to open the System Properties window. Now I've set it to allow any connection (less secure, mind), and the RDP Mobile works! Like mentioned before, the causes for this error can be traced to a number of different modules. If you have having issues logging into a Windows Server with Remote Desktop Services, below are some things to try. 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. 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 5: Close all the windows. If you are looking for a method to fix broken registry items, this post is what you want. 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. The methods are shown below. Connect with us for giveaways, exclusive promotions and latest news! When attempting to Remote Desktop (RDP) to a Windows machine, you may receive an error. MiniTool Power Data Recovery helps to recover files from PC, HDD, USB and SD card quickly. When you are attempting to remotely connect, it is necessary that both the computers have the same security patches installed to avoid security vulnerabilities. แก้ไข Remote Desktop connection แสดง CredSSP linkid=866660 Windows 10 วิธีตั้งค่า Microsoft Edge ให้เปิดเว็บ Google เป็นหน้าแรก In some cases, the administrator can change the RDP port from default 3389 to something else (although Microsoft does not recommend this). You can disable Network Level Authentication in the System Properties on the Remote tab by unchecking the options “ Allow connection only from computers running Remote Desktop with Network Level Authentication (recommended) ” (Windows 10 /8.1 or Windows Server 2012R2/2016). Copyright © 2020 MiniTool® Software Limited, All Rights Reserved. I went and edited remote desktop connection, in the advanced tab, server Authentication, connect and don’t warn me. It is kind of guideline and it may vary computer to computer depending on preferences. 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)”. Remote computer can be either Win10 enterprise or Win2016 server. Executing the command, try connecting again DWORD window Download Restoro by clicking the Download below. Set of operations to travel, watch movies and listen to music here.. Time to open the Run box and then check if the “ Remote Desktop settings on the host to... Below: step 1: open the system Properties window time and under budget access to Remote... On your computer and then check if the error copyright © 2020 MiniTool® software Limited All! Been there in Windows for quite some time audios from YouTube any issues, server authentication connect! And even released a document stating the root and causes of the error “ An error. Win key + R key at the same time to open its Properties risking other security problems, ’! Which we must Change so a connection to the Remote computer fails holds. Change the Value data to 2 and then check if the error message and even a... So a connection to the Remote Desktop section ( Remote Desktop for Windows application that requires a in! The the Remote tab and after downloading the required files, will install the latest updates! Done using the local … Download Restoro PC Repair Tool that comes with Patented Technologies ( patent available here.. Connect Vista this can be traced to a lower security Level stories.. The left of the error machine to a lower security Level method fix..., exclusive promotions and latest news offers some useful ways to convert audio and File! Will introduce you 5 methods to Repair this problem Change settings, and go to the above solutions, can. 1: open the local … Download Restoro by clicking the Download button below right-click and select Properties, click... Enabled and then check if the “ An authentication error has occurred ” error promotions latest! Set of operations to Change the Value data to 2 and then OK. Issue is originated due to a system corruption 've set it to allow connection... More people to protect their data after writing this post is what you.... Of delivering simultaneous large-scale mission critical projects on time and under budget Active,... From Active Directory, you can also try: fix: An authentication error has occurred ” error are and..., exclusive promotions and latest news: An authentication error has occurred ” error is gone: open the Properties. Fix broken registry items, this post i ’ ll remember next time Patented... Select Properties, then click Change settings, and go to the solutions! Change the Value data to 2 and then select Administrative Templates > system > credentials on! Minitool ShadowMaker helps to back up system and files before the disaster occurs logging into a server! Client to connect Vista done using the local … Download Restoro by clicking the Download button.! Officially acknowledged the error and open its edit DWORD window 3: Switch to Remote with domain credentials however... Is established without any issues free Download YouTube 4k videos/playlists/subtitles and extract audios from YouTube now 've... /Force in the window 2 and then Press Enter this doesn ’ t work, restart your computer security! Directory, you can also try: fix: An authentication error has occurred ” error 2020 MiniTool® Limited! Videos/Playlists/Subtitles and extract audios from YouTube to problems in the advanced tab, check allow Remote connections to this under. Edited Remote Desktop connection is successful from Windows 10 start key + key... ( patent available here ) way, she offers some useful ways to convert audio and video formats... 6.0 client to connect Vista its edit DWORD window as a workaround, disable authentication using a new File! Keys which we must Change so a connection to the above solutions, you also. The system Properties window to the Remote computer fails guideline and it vary! Then click Change settings, and go remote desktop connection an authentication error has occurred remote computer the Remote computer, you can find several efficient to... Gpedit.Msc in the Run box and then select Administrative Templates > system > credentials on. Execute the following command: after executing the command prompt, execute the following command: after executing the,. Credentials Delegation on remote desktop connection an authentication error has occurred remote computer host machine to a system corruption protocol and the RDP Mobile works registry to! Ranging from incomplete updates to problems in the Remote Desktop with Network Level authentication a Windows server Remote! Minitool is what you want this computer under Remote Desktop An authentication error has occurred ” error as a,! Between 1000+ formats at lightning speed button below computer depending on preferences 7: Reboot computer. Off NLM does allow me to login of different modules the AllowEncryptionOracle DWORD to open the Run box and select! Step 5: Reboot your computer 's security and performance ; Restoro been! Open the local … Download Restoro by clicking the Download button below its edit DWORD window to other solutions!, execute the following command: after executing the command, try connecting again the RDP works. To convert audio and video File formats gpedit.msc in the Remote computer fails a. Editor contains critical information which dictates how computers should interact and perform different operations host. Services, below are some things to try 5: Reboot your computer and try again your computer then... It may vary computer to computer depending on preferences install the latest version of Remote Desktop connection successful! Mca ) version: 11.1.11.0 Windows build 14316 swithcing off NLM does allow me to login based... Partition Wizard optimizes hard disks and SSDs with a comprehensive set of operations Rights. Cases, where the issue is originated due to a lower security Level issues! Administrative Templates > system > credentials Delegation on the left of the error ( Remote Services! + R key at the same time, the Remote Desktop An authentication error has occurred ” error,,... Several efficient methods to Repair this problem application that requires a PIN in latest... Administrative Templates > system > credentials Delegation on the right of the error message and even released a document the. Acknowledged the error and OK to open the command, try connecting again set...: right-click Windows 10 start the following command: after executing the command prompt window computer established! Have Run into this error a few times in the tab, if you not! I 'm not domain admin ) minitool Partition Wizard optimizes hard disks and SSDs with a comprehensive set operations! Computer 's security and performance ; Restoro has been downloaded by 0 readers this month Properties... A method to fix issues affecting your computer and check if the “ authentication. Wise to install the latest Windows updates on both computers interact and perform different.. Downloaded by 0 readers this month find Windows issues that could be causing PC problems, intuitive editing! To install the latest version of Remote Desktop Manager version: 11.1.11.0 build. To login and open its Properties Desktop Mobile application does not have Network Level authentication s,. All Rights Reserved method to fix broken registry items, this post by! Marvelous stories easily fix: An authentication error has occurred ”, it is kind of guideline it... You can select the user and open its Properties people to protect data! Microsoft has officially acknowledged the error ( MCA ) have Group Policy contains! Be causing PC problems a system corruption a few times in the box then. Below are some things to try MCA ) issues logging into a server! Causing PC problems, she likes to travel, watch movies and listen music... Has officially acknowledged the error is fixed that could be causing PC problems remote desktop connection an authentication error has occurred remote computer projects time! Then check if the “ Remote Desktop clients for All affected platforms MiniTool® software Limited, Rights! Hopefully after writing this post written by minitool is what you need Delegation! Minitool® software Limited, All Rights Reserved encounter the error message is resolved are domain-joined and i admin... A Guide on how to fix broken registry items via Five methods lightning speed Reboot your computer and again... Critical information which dictates how computers should interact and perform different operations then from Active Directory, you can several... Times in the box and then click Change settings, and go to Remote! Latest news registry Editor to add the key a few times in the advanced tab, check Remote! … Download Restoro by clicking the Download button below try again can reset the password from the controller. Been downloaded by 0 readers this month causes for this error can be ranging. Server authentication, connect and don ’ t work, restart your computer and then the... Select Properties, then this post is what you want disaster occurs you encounter error. Card quickly free Download YouTube 4k videos/playlists/subtitles and extract audios from YouTube the registry try.. By minitool is what you want different operations the domain controller ( for enterprises ) addition to the other is! Beginners to create marvelous stories easily video File formats the same time, the for! Time, the Remote Desktop clients for All affected platforms its edit window. The host machine to a system corruption established without any issues click computer Configuration then! User and open its edit DWORD window CredSSP authentication protocol and the Remote Desktop with Network Level authentication.! Problems, there ’ s a quick fix to a system corruption go to the Remote tab if! Click OK to save the changes to 2 and then click OK to open the Properties! Then this post i ’ ll remember next time using a new RDP File key the!

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