What are Plesk 12/Onyx editions and difference between them
Plesk 12.x and Plesk Onyx are shipped in three editions optimized to specific needs
Plesk Web Admin Edition for Web Admins, who manage sites for an employer, a business, or for themselves. They want simple website and domain management without all of the service provider overhead, like management of customers, resellers or subscriptions.
Plesk Web Pro Edition for Web Professionals, who designed, developed, and deployed their websites. They want a simple way to manage their customers' websites, including their growing use of WordPress as a CMS platform.
Plesk Web Host Edition for "Traditional" Web Hosters, who allow their customers to use their shared account in almost any configuration they want. They want secure WordPress and domain management tools to support their multi-tenant, "install anything" customers.
NOTE: Licenses for Web App Edition are not available for purchase any longer. Existing licenses will continue working.
Each edition only has features that are in demand by a particular group and defines by license key.
Note: Web Admin Edition enables Power User view only. Licenses for Web Pro Edition and Web Host Edition enable both Power User and Service Provides views.
The Security Core with ModSecurity is only supported on the Linux OS at this time. Support for the Windows OS will be added when ModSecurity is officially supported on IIS by the ModSecurity developers.
ColdFusion is not supported since Plesk 12.5, see this article for more details.
Since November 7, 2016, free DNSSEC is included into Web Pro and Web Host editions.DNSSEC is an extension for Plesk Onyx, see for more details: https://www.plesk.com/extensions/dnssec-manager/
Each license is available in one of two platform types:
VPS - fits different virtualization platforms: Virtuozzo (Virtual Private Server (VPS) Containers and VMs), VMware, Xen, Hyper-V, OpenVZ. See the full list of supported virtualization solutions in Plesk 12.5 Release Notes .
Dedicated - can be installed on either a VPS or on a dedicated server.
With Plesk 12, there are no longer any "Plesk for Windows" and "Plesk for Linux" licenses. Now, you can install the same license on either a Windows or Linux server.
Please refer to KB #213934825 for information about available upgrades between Plesk 12 editions.
Please refer to KB #213376929 for licensing information about Plesk 12 on Amazon EC2 service (including AWS AMI BYOL).