Execute: Rename-Item -path "C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys" -NewName "MachineKeys_old" .
A misconfigured firewall can block the TLS handshake necessary for the connection. i remote desktop connection error code 0x904 install
Check the expiration date. If expired, right-click and Delete the old certificate. right-click and Delete the old certificate.