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Issues with Remote Desktop on Windows 11 after Update 22H2

Anonymous
2022-09-22T13:54:07+00:00

All of our Remote Desktop Users using Windows 11 are having problems connecting to Remote Desktop after installing this update. It just hangs at connecting.

We have found that there is a bug in the Remote Desktop client so that it is only trying the UDP connection and not trying TCP connection. We only allow the port 443 connection through on our firewall.

The only workaround we have found is to make the following change on the Windows 11 computer.

Have to set this value to 1 in the registry for Windows 11 client to work outside the network

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Client

KEY VALUE - fClientDisableUDP SET TO 1

Otherwise the Remote client just keeps trying to connect via UDP.

This issue did not start until the Windows 11 update was installed over the last couple days.

Jeff

Windows for business | Windows Server | User experience | Remote desktop clients

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question. To protect privacy, user profiles for migrated questions are anonymized.

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  1. Anonymous
    2022-09-22T14:25:13+00:00

    Hello Jeff,

    Good day! I'm John DeV a Windows user like you and I'll be happy to assist you today.

    I want to apologize that this is just a consumer forum for home users. Due to the scope of your question, it is best to ask this on Microsoft Site Q&A which is a technical community platform where most of the members were IT professionals that would greatly help you with the issue.

    Microsoft Site Q&A

    https://learn.microsoft.com/en-us/answers/topic...

    Kindly include other necessary tags

    Kind regards,

    John DeV

    Independent Advisor

    8 people found this answer helpful.
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  2. Anonymous
    2022-09-24T22:32:58+00:00

    Well I'm a home user and I have got the same problem - I work a casual job 2 days a week from home and cannot connect to the remote desktop after downloading the Windows 11 Update. How do I fix this?

    Fran

    29 people found this answer helpful.
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  3. Anonymous
    2022-09-25T01:18:30+00:00

    Read the initial post, go into the registry and add the value I mentioned

    9 people found this answer helpful.
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  4. Anonymous
    2022-09-26T15:09:52+00:00

    Thanks for the post Jeff. That fixed the problem for me.

    6 people found this answer helpful.
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  5. Anonymous
    2022-09-27T14:56:21+00:00

    This solved the issue for us too - Thank you Jeff.

    1 person found this answer helpful.
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