Windows 25H2 enable Remote Desktop in Settings but not really enabled

xillibit

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Hello,

With ntlite i have loaded a windows 25h2 system and under "Settings" -> "System" -> "Remote Desktop" set on "Default" so enabled. There is only Disabled for other choice.

Capture d'écran 2025-10-06 223110.png

After i have installed this windows 25h2, i have seen in the setting that is right enabled Remote Desktop. So trying to connect to him with IP or computer name should work but in fact, it behave like Remote Desktop is disabled.

So how to make Remote Desktop working ?

Thanks by advance
 
Last edited:
And under Windows, in Settings : System-Remote Desktop, option is enabled ?
 
yes it's enabled first with " Allow connections only from computers running Remote Desktop with Network Level Authentication" checked then unchecked but it's the same
 
Ok, I haven't encountered this error the few times I've tested it with friends, but with unmodified Windows 24h2.
Others will be able to help you more.
 
This is an old Windows problem. NTLite is displaying the reg setting that can be used to disable the RDP service. But this setting is independent of allowing RDP in the firewall rules. By default, the firewall doesn't allow RDP traffic (not everyone wants to use it).

When you go through the Settings app and enable RDP, it automatically updates the firewall for you. Installing from a clean image, there is nothing to trigger the firewall rules change.

Add this command to Post-Setup (Before logon):

CommandParameters
netshadvfirewall firewall set rule group="remote desktop" new enable=yes
 
I have tested but it's not enough to allow remote desktop in the firewall, i need too to add the following regsitry key :
Code:
reg add "HKLM\System\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /t REG_DWORD /d 0 /f

Is-it possible to add it in post intallation with a command ?
 
NTLite's setting for Remote-Desktop is the same as fDenyTSConnections.
This is where it gets confusing (go ask nuhi). By default Windows denies all RDP connections (separately from the firewall rule).

fDenyTSConnections = 1 (true, deny connections)

The default setting in Windows is to deny. Therefore to enable RDP, you must disable fDenyTSConnections (set it to 0). What we have is a double negative. NTLite doesn't express this setting in the language every normal user would expect: "Do you want to Allow or Deny RDP?"

Instead it's expressed as "Do you want to disable the Deny RDP?" :(
 
In my case the key fDenyTSConnections wasn't here in the registry after the install of the 25h2 with the setting "default" for remote desktop in ntlite
 
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