Yesterday, 02:47 PM
They're not "connecting". They're just "targets" that can be cast to. You're logging in on the browser that initiates the playback. The unauthenticated Xbox's cannot initiate playback from the Xbox, unless the DLNA server is enabled. But that is one of the short comings of DLNA and is also the reason that DLNA is LAN only and cannot be used over the Internet.