Remote Desktop Connection Error Code 0x904 Extended Error Code 0x7 !!hot!! Info

A: Primarily, yes. However, third-party RDP clients (like FreeRDP, Remmina) can also return "0x904" when they fail to read the server's security response correctly. Alternative RDP tools (MobaXterm, RoyalTS) often bypass the specific client-side winsock implementation that triggers this error in mstsc.exe . Moreover, virtualization tools like RustDesk and Dockur have documented issues where they improperly handle RDP handshakes, causing this exact error code.

Incompatibility between the client and server authentication requirements. How to Fix Remote Desktop Error 0x904 (Extended 0x7) A: Primarily, yes

If a Windows 11/10 client cannot connect but Windows 8/7 can, the client likely has TLS 1.3 forced on while the server lacks it, or vice versa. third-party RDP clients (like FreeRDP