The Parallels Pro Control Panel license determines the number of sites you can host and manage on your server for a stipulated time period. You receive the license key in the order confirmation email sent by Parallels Pro Control Panel after you purchase Parallels Pro Control Panel from Parallels Online Store at http://www.parallels.com/en/buyonline/pro/. The license key is a 25-character alphanumeric key.
You can choose to install the license during installation or when you log in to Parallels Pro Control Panel after the installation. If you choose to apply the license after installation, you are prompted to register the license before you log into Parallels Pro Control Panel.
During installation, Parallels Pro Control Panel creates a scheduled task (also called a cron job) on the Parallels Pro Control Panel server. This scheduled task periodically checks whether Parallels Pro Control Panel has contacted the Parallels Pro Control Panel License Server (PCPLS, formerly known as ELS - Ensim Online Server) to authenticate and register the license. If not, it forces Parallels Pro Control Panel to contact the licensing server when you log in to Parallels Pro Control Panel. If the license is not registered, you are prevented from logging into Parallels Pro Control Panel.
During registration, Parallels Pro Control Panel calls the License Server and sends the following details for authenticating the license and subsequent registration.
After registration, you can view or upgrade your license information at any time.
Parallels Pro Control Panel periodically connects to the License Server to determine the status of the license and automatically renews it on expiration. You do not have to manually renew your licenses. The license expires only if the call to the License Server fails after repeated attempts. To resolve the issue, contact Parallels Pro Control Panel support.
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