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