After MySQL server upgrade to version 5.6, Plesk keeps showing its version as 5.1 on Server Components page. Plesk stops MySQL Service and sets its startup type to
Manual , when
Refresh icon is pressed on Server Components .
A registry hive name
HKLM\\SOFTWARE\\Wow6432Node\\PLESK\\Installer\\mysql51-server-configurator was not upgraded due to MySQL server upgrade failure.
Rename the registry hive name, as shown below: