Remote desktop an authentication error has occurred the function requested is not supported. Remote Desktop Authentication Error Has Occurred. The function requested is not supported. CredSSP Workaround 2018-07-18

Remote desktop an authentication error has occurred the function requested is not supported Rating: 4,9/10 1412 reviews

Fix for could be due to CredSSP encryption oracle

remote desktop an authentication error has occurred the function requested is not supported

You can find it here: More about Hi thanks for the post. From File Explorer, choose Computer, right-click and select Properties, then click Change Settings, and go to the Remote tab. The Group Policy setting you need is Encryption Oracle Remediation. Thanks for the informative post. We've documented our findings on the symptoms, suspected causes, explanations, and a simple workaround in this blog post: Hope this helps. I'm not sure when it started because I haven't been on this project that long but I would say within the last month based on me. If this issue creates an outage it means that the some of the servers weren't patched and the request or incident needs to be managed according to the service.

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Windows : RDP An authentication error has occurred. The function requested is not supported

remote desktop an authentication error has occurred the function requested is not supported

Also, when I tested that either in test labs or in customers sites', it did not require a reboot. As a workaround, you can push a Group Policy out or edit a registry key locally, but neither one of those is considered a long-term permanent solution. Windows 10: Windows 7: Remember to reinstall it when you are done. Provide details and share your research! What can you do to fix this problem? Another update from Microsoft brings a new set of issues in a corporate environment. I started experiencing this issue about 5 days ago. This should allow the policy to show up in Group Policy editor.

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SOLVED: AN AUTHENICATION ERROR HAS OCCURED. THE ENCRYPTION TYPE REQUESTED IS NOT SUPPORTED BY THE KDC

remote desktop an authentication error has occurred the function requested is not supported

It would stop but fail to start. You can then make the changes needed; however, they do require a reboot to take effect. Your client refuse to connect because the target computer use weaker settings. On May 8th Microsoft released update which changes Encryption Oracle Remediation default behavior setting from Vulnerable to Mitigated option. I get the following pop up box.

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Can't use Remote Desktop

remote desktop an authentication error has occurred the function requested is not supported

All that you said is fine and well until someone gets malware on the computer, sniffs out credentials, and then uses your lowered security stance to hijack your systems. This is because of security vulnerability. In my scenario, users are getting this message when they attempt to remote into their office workstations from home. This explains that the issue is because of latest updates not allowing access to unpatched servers, and explaining how to change your settings to allow connecting even to unpatched servers. Connecting to a hosted solution, as in this case, you are going to have to update your system.

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RDP authentication error due to CredSSP encryption oracle remediation after May 2018 Windows Updates

remote desktop an authentication error has occurred the function requested is not supported

I had the same issue. On May Patch Tuesday, Microsoft released a patch that basically enforces the March patch, so if your workstation got the May patch but you're trying to connect to servers that haven't received the March patch, you'll get this error. Is there a patch being worked on? Remote Desktop Connection An authentication error has occurred. That's why the first thing you would do would be either changing the group policy or the registry in order to workaround the issue and proceed with your operations. Note: Please do not include any personal information.

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RDP authentication error due to the CredSSP encryption oracle remediation error

remote desktop an authentication error has occurred the function requested is not supported

That was all it took. It turns out this this problem was not related to a January Patch Tuesday update, but rather caused by a problem on Microsoft's activation server. However, your way of thinking about it is very brilliant for Workgroup computers. My Remote computer is Windows 8. Using a Windows 7 workstation to perform the same operation would display the following error message: An authentication error has occurred. The next day Saturday , I had the same problem with Exchange. You should patch the server-side or ask server administrator to patch it.

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Remote Desktop Authentication Error Has Occurred. The function requested is not supported. CredSSP Workaround

remote desktop an authentication error has occurred the function requested is not supported

Again, I am assuming this is because I am using Windows Home 10. We continue to research this. Otherwise, you can download the following registry file, double-click to run it and it will automatically create the key and set it for you. The network connection fails with error: Cannot load the Remote Access Connection Manager service. Microsoft does not guarantee the accuracy of this information.

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[Solved] RDP Authentication Error Function Requested Is Not Supported

remote desktop an authentication error has occurred the function requested is not supported

Users received error messages like this when they tried to remote to machines they connected to successfully for a long time: Remote Desktop Connection Error An authentication error has occurred. There is the possibility that the current default setting could change from the tentative update and therefore impact the expected secure session requirement. Would appreciate if there any advice how to solve this problem. The function requested is not supported I tried several things I found by googling, for example adding extra SecurityPackages values to the registry as described here: but that didn't work. By default, after this update is installed, patched clients cannot communicate with unpatched servers.

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Remote Desktop

remote desktop an authentication error has occurred the function requested is not supported

If you do lower the security policy, then you have to remember to go back and change it, and let's face it, that's unlikely to happen. Remember to un-do this when all the servers are patched. This error appear when I do remote to others computer or server from my computer. The function requested is not supported. Hi Luke, It seems your correct. The function requested is not. The Microsoft article doesn't discuss that scenario, just the other way around.

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Unable to RDP to Virtual Machine: CredSSP Encryption Oracle Remediation

remote desktop an authentication error has occurred the function requested is not supported

The solution is certainly patching the remote Windows. If both server and client are patched, nothing is needed. Open the registry editor :. For instance, we had a Windows 7 machine that hosted Remote Desktop. As a workaround, you can push a Group Policy out or edit a registry key locally Please Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft security policies are geared towards maximum security of data transmissions assuming they cross the insecure public internet so they necessarily must configure for every possible known security vulnerability. If you aren't comfortable using the command line to install updates, you can simply edit the local group policy on your computer until the updates can be deployed.

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