proxmox 3.1 Subscription-message on login

Hi, why the users get the same message on login as the admin?
the message You do not have a valid subscription for this server. Please visit www.proxmox.com to get a list of available options is for admin not or users?

if we buy one community Subscription, and we have a serverfarm with 12 servers. come the message more or not and is deactivated?

regards