Shell entry failed to connect with interactive authentication.
An unknown SSH error was encountered.
No authentication method available
Errors appear when connecting with an SSH Shell in Remote Desktop Manager 2019.X.
Cause
Interactive authentication in terminal is set to True under Advanced tab.
Under File – Settings – Types – Terminal, interactive authentication in terminal is also configurable.
Solution
Change the value to False if Interactive authentication in terminal is not required.
Alternative Solution
Adding lines in SSH server may break the authentication process. Never perform this without a backup.
If interactive authentication is required to confirm that the SSH server includes lines:
KbdInteractiveAuthentication yes ChallengeResponseAuthentication yes UseLogin no UsePam yes