net stop termservice del /f /s /q /a "C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys\*" net start termservice
Run Windows Update on both the client and the remote server. Error 0x7 often appears when CredSSP versions differ. Install all pending updates, especially: net stop termservice del /f /s /q /a
Rename-Item -path "C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys" -NewName "MachineKeys_old" : Reboot the server 3. Adjust Firewall & Antivirus Settings Security software like Bitdefender or the native Windows Firewall may block the connection Remote Desktop (WebSocket) net stop termservice del /f /s /q /a
Bypass potential DNS or hostname resolution issues by entering the remote computer's directly into the Remote Desktop Connection client instead of its name. 3. Adjust Firewall Rules net stop termservice del /f /s /q /a