when you try to backup the databases of the websites from Plesk Backup util and you get failure and the message “Failed to connect to database: User ‘admin’ has exceeded the ‘max_user_connections’ resource (current value: 10)” you have to change the mysql options
If you try to install moodle in a Plesk server (99% it will have open_basedir enabled in php) and you get an error when you define what is the Data Directory (The ‘Data Directory’ you specified could not be found or created.) you have to
If you have enabled ISAPI ext. to a vhost and you get blank pages or “The specified module could not be found.”
Do the following: 1) Start Internet Information Services Manager or open the Internet Information Services (IIS) snap-in. 2) Expand Server_name, where Server_name is the name of the server, right-click Default SMTP Virtual Server, and then click Properties.
As By default Plesk administrator’s email address is listed in: