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Cannot RDP to previous windows server version

Anonymous
2024-08-21T07:30:30+00:00

we're having issue trying to remotely connect, via RDP, from windows 2022 servers to windows 2008R2 server.

When prompted for user and password the authentication fails, and the credentials are correct.

We tried to remotely connect from a Windows 2008R2 to same version, with same credentials, and it works.

Is there something with security settings that doesn't match ?

thanks

Windows Server Remote and virtual desktops Remote desktop clients

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  1. Anonymous
    2024-08-21T15:54:50+00:00

    Hello,

    You can try the following steps to troubleshoot the problem:

    1. Disable NLA on the remote server 2008 R2. Open Remote Desktop Settings and uncheck "Allow connections only from computers running Remote Desktop with Network Level Authentication".
    2. Check the local security policy on Windows Server 2008 R2 to ensure that connections from Windows Server 2022 are not blocked. Open the Local Security Policy dialog. Navigate to Local Policy > User Rights Assignment. Make sure the correct user or group is included in Allow Login via Remote Desktop Services.
    3. Sometimes, credentials cached on the local server can cause problems. You can open the Credentials Manager. Attempts to clear all cache credentials associated with the remote server. Restart the local server and log in to the system using the account or password.
    4. Check the firewall Settings to ensure that RDP traffic is not blocked. You can temporarily disable the firewall as a test.
    5. Check the clock synchronization between the two servers.

    I hope this will help you. If you have any follow-up questions, please contact us.

    Best regards

    Jacen

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  2. Anonymous
    2024-08-22T06:53:42+00:00

    Hello

    Is not an issue with NLA, which is disabled, or time skew or other things but is related, i think, to KDC increased security on windows 2022 DC.

    We found that if we power off the 2008R2 DC there are issues with windows 2003 servers which are not authenticating clients accessing their share

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