Article ID: 127454, created on Nov 18, 2015, last review on Nov 18, 2015

  • Applies to:
  • Plesk 12.5 for Windows


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:


Search Words

Plesk does not recognize MySQL 5.6 and stops it after upgrade from version 5.1


Internal error: SQLSTATE[HY000] [2002] No connection could be made because the target machine actively refused it.

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