Answers can only be as helpful as the details provided, and there is very little hear to go on. What happens when you try to connect? Is there an error? If so what does it say. How are the devices connected? WiFi, Ethernet? Which ver of ATV do you have? Best guess is that you are using WiFi and the probably go away if you use a wired connection to ATV.
This site contains user submitted content, comments and opinions and is for informational purposes only.
Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site.