Remote desktop connection the function requested is not supported

An authentication error has occurred. The function requested is not supported. This could be due to CredSSP encryption oracle remediation. CVE

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

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. Since the Microsoft Security Patch on Tuesday, we've received many reports of users having connection problems like this: An authentication error has occurred. Remote Desktop Connection An authentication error has occurred. We are not a review site. Answer You are absolutely right. With few exceptions, most Windows applications work within a Terminal Server environment.

RDP authentication error due to the CredSSP encryption oracle remediation error

Very irresponsible of the patch team. 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. If your workstation is patched, but your server isn't, your workstation will fail to connect. No soliciting of any kind. Thus, do not choose this option before applying the update to all of your clients and servers. None of the advice I found worked. As always, use your own discretion with all advice here.

Remote Desktop Connection: An authentication error has occurred. The function requested is not supported

Ask us here at , and try to help others with their problems as well! Now, the default it to not allow that. Could you help me, please? This should allow the policy to show up in Group Policy editor. By doing so, your investment in existing applications, and the power of Windows desktop features and interoperability, can be exposed over the Internet. Unfortunately, Windows Update can't be automated in many environments such as development, build, test, staging and production without creating other problems. Your client refuse to connect because the target computer use weaker settings.

How to fix Authentication Error Function Not Supported CredSSP Error RDP

Hi, On the connection I am using a Windows 10 Desktop on Wan trying to connect on a Windows Server 2012 on Lan When I start Remote Desktop, I get to the user and password, when I start the connection, the following error appears: Authentication error. You can do this either via Group Policy or by changing the registry. Install all the updates specifically related to. Thanks for the informative post. Proven-skills collaborators will have their usernames marked with a dark blue flair.

How to fix Authentication Error Function Not Supported CredSSP Error RDP

I hope someone finds a less intrusive solution that doesn't involve restarting the servers. I have access and control on the server side, but not to the Desktop. I ran into this problem today as well. I had faced this issue in our domain as well. I wouldn't call this a fix - it's a bandaid until you can get your environment patched. Previously, you were able to connect remotely from the updated machine to machines without the update.

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

Blog spam, link spam, referral spam, joke posts and responses, memes, novelty accounts, trolling, unethical behavior, and personal insults will not be tolerated. You should patch the server-side or ask server administrator to patch it. It doesn't require touching registry settings or other complicated steps: Would appreciate any insight on handling this across an enterprise without manually modifying the connecting and host machines. The function requested is not supported. I am new to my position and after attempting your fix I found that my server has not been updated since May 2016 and that I don't even have that Group Policy setting available. Easily web enable all your desktop applications. Do you think that this fix will work clientside for now? The function requested is not supported.

How to Fix Authentication Error Function Not Supported CredSSP Error RDP

This avoids the issues with installations on individual machines, conflicts with other programs, Windows updates, etc. 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. 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. 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. Don't have a My Oracle Support account? In this scenario, you receive the following error message: An authentication error has occurred. Solution 1: Install updates on the target computer The first and the most recommended solution to this issue is to update the target computer on which you are trying to connect remotely. Wrote a blog post about our findings so far with a workaround on how to reduce Remote Desktop security settings to get around this problem.

[Solved] Authentication error function not supported

Violations will be dealt with harshly. My Remote computer is Windows 8. Products, services, surveys, websites - we're here to help with technical issues, not market for others. Simply adjust the Remote Desktop settings on the host machine to a lower security level. However, that might not happen for a while and I need to find a workaround. But i am not sure how to restrict this from installing again.

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

By default, after this update is installed, patched clients cannot communicate with unpatched servers. Also, when I tested that either in test labs or in customers sites', it did not require a reboot. Hope you are able to resolve this and move on. Thank you for starting this discussion because in it I found a solution to my issue. 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.

[Solved] Authentication error function not supported

The function requested is not supported. However, it will expose the servers to attacks. 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. Sort by: or Check out our , all guides are compiled by our Trusted Techs. But in this case really mitigation strategy almost takes longer in total more to test, deploy than fix it once.