Can you share some specifics about your configuration?
I'm not trying to be cross. I'm legitimately interested to find out why yours is different.
Mac model? iMac 13,1 ( At least that's what OS X thinks it is, it's a Hackintosh)
OS X version? Latest public beta of El Cap, 10.11
iTunes version? Latest
AppleTV generation? I have a 2nd and a 3rd gen, both work identically as far as what we're discussing
AppleTV OS version? Latest
Ethernet or WiFi connection? WiFi
Router Type? Airport Extreme base station. (802.11n version, not the new ac version)
Anything else that might affect this? A family of magic gnomes that live beneath the floor? IDK