Different iOS devices work differently on home sharing

[iMore Question]

Hi,
My iTunes is on my iMac.
My iPhone can see it perfectly well, and I can watch movies through it.
On the iPad, on the other hand, nothing seems to work. I keep getting this message telling me I haven't got the right permissions to open the file. This is on the rare and happy occasions where the home sharing actually deigns to load..
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The cruncher:
My iPhone is iOS6.1.6, iphone 3GS (can't upgrade to iOS7 even if I wanted to),
and my iPad is newer, and runs iOS7.
How can I fix this?
It's obviously not the settings on the Mac, or the router, since everything streams nicely to the phone.

 

[Just_Me_D]

Either reboot or reset your iPad to see if that'll help.