Microsoft Remote Desktop app can't use 2 screens.

Question

I've been having problems with the remote desktop connection from the native Windows client, on the Windows 11 operating system version 23H2 Build 22631.3593. the image always freezes if I am connected from an external network to a server, but if I use the Microsoft Remote Desktop application, I do not have that problem, the detail is that I need to enable both user screens since they work that way. But this app doesn't allow me to use multiple screens anymore. Is there any way I can enable 2 screens in this app or if you know any solution to the original problem of the native client and the image freezes?

The server where the clients connect is a Virtual windows server 2019 on Hyper-V and the host server is behind a simple home router, we don't have ACLs for remote access or any big Firewall setup.

Answer 1

Hello,

For the Native Remote Desktop Client Freeze Issue, you may try disabling UDP.

On Client:

GPO: Computer Configuration\Policies\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Connection Client State: Enabled Setting: "Turn Off UDP on Client"

On Server:

GPO: Computer Configuration\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Session Host\Connections\Select RDP transport protocols State: Enabled Setting: "Use TCP only"

If the session hang is limited to the external network, it may indicate a network problem.

Enabling Dual Screens in Microsoft Remote Desktop App:

• right click on remote desktop PC shown in the list of PCs on desktop app
• click on settings and uncheck "Use default settings"
• in Display configuration drop down choose "Select displays"
• hit "Detect" & "Identify" if in case you don't see your monitors
• and then just select which all monitors you want to use for remote desktop

You may also set policy via GPO:

Computer Configuration\Policies\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Session Host\Remote Session Environment

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