Parallels Plesk System Requirements

Supported Operating Systems

Linux

  • CentOS 7.x
  • CentOS 6.x
  • CentOS 5.x
  • CloudLinux 6.x
  • CloudLinux 5.x
  • Debian 7.0
  • Debian 6.0
  • openSUSE 13.1
  • openSUSE 12.3 (EOL: September 15, 2014)
  • RedHat Enterprise Linux 7.x
  • RedHat Enterprise Linux 6.x
  • RedHat Enterprise Linux 5.x
  • Ubuntu 14.04 Server LTS
  • Ubuntu 12.04 Server LTS
  • Ubuntu 10.04 Server LTS (EOL: April 1, 2015)

Windows

  • Windows Server 2008 R2 SP1 (EOL: January 13, 2017)
  • Windows Server 2008 SP2 (EOL: January 13, 2017)
  • Windows Server 2012 R2
  • Windows Server 2012

BOLD indicates a Parallels-recommended operating system
EOL = End of Life

For more information on the support policies around operating system versions, please see our Parallels Plesk Lifecycle Policy.

Hardware Requirements

For Linux:

  • 512 MB of RAM (1 GB when hosting many accounts; 768 MB minimum when also using Web Presence Builder)
  • 10 GB Hard Disk

For Windows:

  • 1 GB of RAM (2 GB when hosting many accounts)
  • 32 GB Hard Disk

Supported Browsers

  • Firefox 30.0 and above
  • Microsoft Internet Explorer 8, 9, 10
  • Safari 7.0 and above
  • Google Chrome 35.0 and above

Mail Client Requirements

  • Any mail client supporting SMTP, POP or IMAP. Plesk documentation describes setting up MS Outlook, MS Outlook Express, Apple Mail and Mozilla Thunderbird to work with Plesk mail.

Supported Mail Servers

  • Qmail 1.03
  • Postfix 2.6-2.9
  • MailEnable Standard/Professional/Enterprise 5.10-8.5
  • SmarterMail 6.8-12.0
  • IceWarp Mail Server 10.0-10.4.5

Plesk 12 Release Notes

Please see the release notes for additional software requirement details and upgrade notes.

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