Article ID: 123298, created on Oct 28, 2014, last review on Nov 27, 2014

  • Applies to:
  • Plesk 12.0 for Windows


Plesk Mysql service does not connect to Mysql server, it fails with error:

    Unknown mysql server host 'localhost'(0)


Mysql tries to connect to localhost, but system cannot recognize localhost address as


  1. Modify list of host names for your system C:\Windows\System32\drivers\etc\hosts. Make sure that you have the following entry: localhost

Search Words

Unknown mysql server host 'localhost'(0)

Unknown mysql server host'localhost'(0)

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