Article ID: 1166, created on Oct 6, 2008, last review on Apr 25, 2014

  • Applies to:
  • Plesk
  • Plesk Expand

Resolution

Terms.

Web server - web server is a server with standard Plesk product installed on where domains are hosted on.

Cmail - a standard Plesk server where Mail service is a primary service. Hosting service is not enabled for all the domains.

CDNS - a dedicated server where special software is installed on. This server has a dnscontroller role. Plesk Server Administrator cannot be installed on dnscontroller.

You can have the following types of network infrastructure with Expand product using:

1. One dedicated server with following products installed on.

* Expand product
* Centralized DNS


OR

* Expand product
* Web server


OR

* Expand product
* Cmail server


2. One dedicated server with following product installed on.

Web server


OR

Cmail server


OR

CDNS


Finally you need to use at least three dedicate servers for following type of services:
CDNS, Cmail and Web server.

You need to use two dedicate servers for following type of services:
Cmail and Web server.

You need to use one dedicate server for following type of service:
Web server.

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