I have completed the installation of a multi-tenant SharePoint 2013 Foundation farm and I have created several tenant site collections. I have created the App management service and all is configured to support tenants and I'm also able to install apps from the SharePoint Store. The problem/question I have is that several ( more then half ) of the apps are grayed out and when I try to add them I have the message "Sorry, this app is not supported on your server"
So, is this by design for Foundation or I'm I missing something in the Apps management configuration?
Any ideas?
Thanks, Olivier