0x904 Extended Error Code 0x7 =link= - Remote Desktop Connection Error Code

Double-click it and change the value to . (0 is RDP Security, 1 is Negotiate, 2 is SSL). Restart the computer. Summary Table Potential Cause Authentication Mismatch Disable NLA in System Properties Host PC Asleep Set Power Mode to "Never Sleep" Port Blocked Open TCP 3389 in Firewall Corrupt Credentials Delete Default.rdp and clear history

To fix this error, it helps to understand what is breaking down in the RDP architecture:

To resolve error code 0x904 and extended error code 0x7, follow these step-by-step troubleshooting guides: Double-click it and change the value to

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Ensure "Automatically detect RD Gateway server settings" is selected, or turn it off if you are connecting purely over a local network. including firewall and service configuration

For a visual walkthrough of these troubleshooting steps, including firewall and service configuration, check out these guides:

To address potential DNS bugs in Windows 11, attempt to connect using the IP address instead of the hostname. 3. Advanced Firewall Configuration Verify that both Remote Desktop Remote Desktop (WebSocket) are allowed in the Windows Firewall. Manually add as an allowed app on the client side. 4. Adjust Connection Registry (Host Side) 1 is Negotiate

The Remote Desktop Connection error code 0x904 with an extended error code of 0x7 indicates a problem with establishing a remote desktop connection to a Windows-based computer. This error typically occurs when the client attempting to connect to the remote desktop is unable to negotiate a secure connection.

Based on field data and Microsoft documentation, these are the primary reasons for the 0x904 / 0x7 error pair:

Switch from a Wi-Fi connection to a hardwired Ethernet cable to eliminate wireless interference.

Ensure both machines have a steady internet connection. High latency or "dodgy" Wi-Fi can trigger this error even if the initial ping is successful.