I Remote Desktop Connection Error Code 0x904 Install

: Windows 11 updates sometimes cause hostname resolution issues. Using the server's direct IP address instead of its name often bypasses the 0x904 error.

"This computer can't connect to the remote computer. Error code: 0x904,"

If you are still unable to connect, it is recommended to check the Event Viewer on the server under for more detailed error codes.

: Ensure that both Remote Desktop and Remote Desktop (WebSocket) are allowed through the Windows Defender Firewall on both the client and server. i remote desktop connection error code 0x904 install

: Download the latest Microsoft Remote Desktop client from the Microsoft Store. Step-by-Step Troubleshooting Guide 1. Verify Remote Desktop Settings (Host PC)

A common pattern for the 0x904 error is a Windows 11 client failing to connect, while a Windows 10 client succeeds. This is often due to TLS/SSL protocol differences:

: For Azure environments, rename the C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys folder and reboot. This forces Windows to recreate a clean certificate store. : Windows 11 updates sometimes cause hostname resolution

If you continue to experience issues, ensure your Windows OS is fully updated, as Microsoft occasionally releases patches for RDP bugs.

(Alternatively, run net stop termservice followed by net start termservice ).

While less common than errors like 0x204 or licensing issues, typically indicates a failure in the Remote Desktop Gateway handshake or a resource allocation interruption . When this error appears during an "install" scenario—whether you are trying to install an application via RDP or deploying RDP capabilities themselves—it points to a breakdown in the transport layer or security policy enforcement. Error code: 0x904," If you are still unable

The 0x904 error can arise from multiple sources. Based on aggregated user reports and troubleshooting guides, common causes include:

Windows will instantly create a completely clean, valid self-signed certificate in the background. Attempt to reconnect from your client PC.