RDP connection failure

Question

unable to rdp to windows server 2019 after promoting it to domain controller . after promoting the server to domain controller and restarting unable to connect the server.

Answer 1

Hi there,

I suggest you to check the status of the RDP protocol on a remote computer

To check and change the status of the RDP protocol on a remote computer, use a network registry connection:

First, go to the Start menu, then select Run. In the text box that appears, enter regedt32.
In the Registry Editor, select File, then select Connect Network Registry.
In the Select Computer dialog box, enter the name of the remote computer, select Check Names, and then select OK.
Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server and to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services.

If the value of the fDenyTSConnections key is 0, then RDP is enabled.
If the value of the fDenyTSConnections key is 1, then RDP is disabled.
To enable RDP, change the value of fDenyTSConnections from 1 to 0.

You can also try the additional Remote Desktop connection troubleshooting from here https://learn.microsoft.com/en-us/windows-server/remote/remote-desktop-services/troubleshoot/rdp-error-general-troubleshooting

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