http://blogs.technet.com/b/uspartner_ts2team/archive/2012/01/13/sharepoint-external-user-licensing.aspxQ: (from Beth) A customer is looking at a SharePoint deployment. They will have 10 internal users, all requiring enterprise CALs. They will also have 150 external users (customers). They have a set number of external users and their site will not be publicen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)