In the attempt to reset the administrator password via the Plesk login page using the option Forgot your password? the following error is displayed:
Error: The administrator's password cannot be sent by email for security reasons.
To log in as 'admin', use the 'plesk login' command. To set a new 'admin' password, use the 'plesk bin admin --set-password -passwd <new_password>' command.
Since Plesk Onyx, the option to reset the password via email was disabled for the administrator account for security reasons.
Plesk for Linux
In order to reset the administrator password use the steps of the following article: How to get/reset lost Plesk Administrator password in Plesk for Linux
Plesk for Windows
In order to reset the administrator password use the steps of the following article:How to retrieve/reset password of Plesk Administrator (admin) user in Plesk for Windows