- Plesk 12.0 for Linux
Unable to activate Plesk:
The license key is invalid. In order to use Plesk, please obtain and install a new valid license key.
The amount of currently used resources overrides the limits defined by your license.
The number of websites hosted on the server exceeds the limits defined by your license. You have 150 sites hosted; your license allows hosting only 30 sites.
License type is Plesk Web Pro Edition.
Plesk Web Pro Edition allows hosting for 30 sites only.
As there are 150 sites hosted on your Plesk server, upgrade the license to Plesk Web Host Edition that supports an unlimited number of domains.
For additional information about Plesk editions, visit:
#213903085 Plesk 12 available editions and difference between them