How do I upgrade MySQL that comes installed with Plesk on Windows?
The Parallels Plesk Control Panel installed on VPS / VDS Containers and Dedicated Servers on our network also installs a version of MySQL Database Server. However this bundled version of MySQL is not always the most current available, and you may wish to upgrade MySQL to a more current version. Please follow the steps below to do so…
The following is taken from section “b)” at: http://kb.parallels.com/en/1077 …
MySQL server database engine for client databases. It’s located in %plesk_dir%databases\MySQL and uses port 3306 for connections. It can be updated to any latest stable version of MySQL.
To update the client MySQL server one needs to follow these steps:
1. Download the latest stable version of MySQL
2. Stop MySQL Server service.
3. Rename or backup the folder %plesk_dir%databases\mysql.
4. Create the folder %plesk_dir%databases\mysql and extract the downloaded mysql version to this folder.
5. Delete the folder %plesk_dir%databases\mysql\data.
6. Copy the folder data from the original (backed up) mysql to %plesk_dir%databases\mysql.
Reference
https://support.viux.com/index.php?/Knowledgebase/Article/View/174/5/how-do-i-upgrade-mysql-that-comes-installed-with-plesk-on-windows