Fix VPN Error 800, The remote connection was not made because the attempted VPN tunnels failed. The VPN server might be unreachable.

The remote connection was denied because the user name and password combination you provided is not recognized, or the selected authentication protocol you selected is not permitted on the remote ...

Microsoft's Remote Desktop Protocol has been saddled with security bugs and weaknesses, which means you need to take certain precautions when using RDP for remote connections.

Microsoft has confirmed that there are remote connection issues on Windows 11 22H2 due to the Windows Remote Desktop app being broken. However, the good news is that there is a workaround.

ExpressVPN has fixed a flaw in its Windows client that caused Remote Desktop Protocol (RDP) traffic to bypass the virtual private network (VPN) tunnel, exposing the users' real IP addresses.