when you try to connect to Windows Server Using a Remote Desktop connection
you may have this error
This could be due to CredSSP encryption oracle remediation
to solve this
Run CMD as Administrator
then copy and paste this command
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters" /f /v AllowEncryptionOracle /t REG_DWORD /d 2
