Same behavior here
I'm having a similar issue here. No issue waking my macs; iMac, ATV2 and 2-expresses are always available to use (ie. for AirPlay), however, my new ATV3 never is visible via the itunes remote app on my ipad or iphone nor is it visible as an additional speaker on iMac) unless I turn it on with a physical IR remote first. Even when both ATV2 and 3 are hooked up to the same outlet and receiver thinking maybe it was HDMI handshaking thing - I don't understand it.
No issues accessing my iMac, or MB either. My ATV3 is only accessible once awaken via a remote (not the iTunes remote app unfortunately). All routed via an airport extreme.
The following does not resolve it for me:
-Set AppleTV to never go to sleep.
-Set the IP addresses to fixed instead of auto-assigned via DHCP
Ok, latest Apple Time Capsule, latest MacBook Pro with iTunes library on it, everything hard wired. This works flawlessly with 2 ATV2's but not with my ATV3, so (in my opinion) I have came to this conclusion.
I'm having a similar issue here. No issue waking my macs; iMac, ATV2 and 2-expresses are always available to use (ie. for AirPlay), however, my new ATV3 never is visible via the itunes remote app on my ipad or iphone nor is it visible as an additional speaker on iMac) unless I turn it on with a physical IR remote first. Even when both ATV2 and 3 are hooked up to the same outlet and receiver thinking maybe it was HDMI handshaking thing - I don't understand it.
No issues accessing my iMac, or MB either. My ATV3 is only accessible once awaken via a remote (not the iTunes remote app unfortunately). All routed via an airport extreme.
The following does not resolve it for me:
-Set AppleTV to never go to sleep.
-Set the IP addresses to fixed instead of auto-assigned via DHCP
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