Dear JASON VEIRA,
Recent updates to Windows 11 24H2 have introduced changes to how RDP handles transport protocols. In some cases, the use of UDP (User Datagram Protocol) for RDP connections can cause instability or premature disconnections when connecting to older servers such as Windows Server 2012.
Here are Recommended Resolution
To resolve this issue, we suggest forcing the RDP client to use TCP only, which has proven effective in similar scenarios.
Option 1: Modify Group Policy (Recommended for Domain-Joined PCs)
- Press
Win + R, typegpedit.msc, and press Enter
Navigate to: Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Connection Client
Enable the policy: "Turn off UDP on client"
Apply changes and restart the PC
Option 2: Registry Edit (For Non-Domain PCs)
Open Registry Editor (regedit)
Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Client
Create a new DWORD (32-bit) value named: fClientDisableUDP
Set its value to 1
Restart the PC
This change will force the RDP client to use TCP only, which improves compatibility with older servers and resolves the disconnection issue. Ensure both PCs are running the same cumulative updates, as patch levels may affect RDP behavior.
I hope this helps. Just kindly tick Accept Answer that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.
Best regards,
Domic Vo