It looks like there's no response available for this search. Try asking something else. Unable to RDP into some Windows Servers - Error code: 0x904
Locate the pre-configured rules named and Remote Desktop - User Mode (UDP-In) .
Press Win + R , type mmc , and press Enter to open the . It looks like there's no response available for this search
Before diving into the fixes, it helps to understand what is causing the roadblock. In most enterprise, local, or Azure cloud environments, this error is triggered by one of the following culprits:
Run a continuous ping ( ping -t ) from your local machine to the target server to check for packet loss. Press Win + R , type mmc , and press Enter to open the
Under the Remote Desktop section, the box that says "Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended)" . Click Apply and then OK . 2. Configure RDP to Use TCP Only (Disable UDP)
netsh int ip reset netsh winsock reset
If Event Viewer logs indicate a cipher suite or TLS mismatch, you can resolve it by aligning the settings on the server and client.
Set its to 1 to force the client to use RPC over HTTP connections instead of direct UDP/TCP tunnels. 5. Adjust Windows Defender Firewall Rules Under the Remote Desktop section, the box that
Click on the left menu. Click the Change settings button at the top right. Scroll down to find Remote Desktop . Check both the Private and Public checkboxes next to it. Click OK to save the changes. Verify Listening Port 3389
Log into the target server using an alternate console access method (e.g., Hyper-V, VMware console, or iLO/iDRAC).