Home Sharing ios9

I cannot get HS to work between my ipad mini 2 (ios 9.01) and my ATV3. It keeps asking to enable hS in itunes which it is. Airplay works fine. I phoned apple support and they said to use airplay. My imac and mbp work fine with hs without using airplay.
Tried rebooting router, also unplugged atv and reentered home sharing id and psswrd - no luck.
Anybody else with this problem?
Thanks,

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