Symptoms
-
Unable to install Plesk through Web Installer:
Cannot connect to ssh host example.com: ssh: handshake failed: ssh: unable to authenticate, attempted methods [none password], no supported methods remain
-
Root/Password authentication is chosen.
Cause
The Root/Password provided by the hosting provider/cloud vendor is not correct.
Resolution
Confirm with hosting provider/cloud vendor the correct credentials and use them at Web Installer.