Thank you Ronni.

I will run through these checks next time I visit (which will probably be soon 
in the circumstances).
I do know the iMac was on and iTunes open at the time (not sure if it is going 
to sleep though).
But a few other of your suggestions to check when I go.

> On 7 Feb 2018, at 5:53 am, Ronda Brown <[email protected]> wrote:
> 
> Hi Stephen,
> 
> Check System Preferences > Firewall – make sure all instances of Bonjour and 
> iTunes are enabled for ALL networks.
> 
> You should also check to make sure the Mac you’re sharing from is turned on 
> and awake, and that iTunes is running on it. iTunes must be opened for Home 
> Sharing to work, and if the machine is turned off or asleep, then a Wi-Fi 
> signal might not be working as it needs to be for Home Sharing.
> You can also set your Mac to wake on demand if you’re using an Apple TV. To 
> do that, go to System Preferences → Energy Saver and turn on Wake for Wi-Fi 
> network access.
> 
> If you already have iTunes open and everything looks good, but still isn’t 
> working, try quitting iTunes and reopening it to the foreground on your Mac 
> and try again.
> 
> 
> Cheers,
> Ronni
> 
>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
> 
> 
> On 6 Feb 2018, at 11:27 pm, Stephen Chape <[email protected] 
> <mailto:[email protected]>> wrote:
> 
>> Hi folks,
>> 
>> I visited as friend yesterday whose husband died very suddenly a month ago.
>> She asked me to take a look at an issue with her Apple TV.
>> She uses it to stream music to her TV from iTunes on her 2013 iMac.
>> And has done so for some time.
>> 
>> However during the past couple of weeks it seems to frequently lose 
>> connection.
>> A message will pop up that it “cannot sign in” so she will press OK (the 
>> only option available.
>> Then the following message will appear.
>> 
>> “To access your iTunes library on Apple TV, turn on Home Sharing in iTunes 
>> on your computer using [email protected] 
>> <mailto:[email protected]>”
>> (the name has been changed to protect the innocent).
>> But when I checked Home Sharing is ON.
>> 
>> If she turns a few things off and on (she says), and waits a while it may 
>> reconnect.
>> But sometimes it does not. So then she waits till the next day to try again.
>> 
>> I have tried various things like turning Home Sharing OFF and back On.
>> Restarting the Apple TV.
>> Restarting the Modem.
>> Even restarting the iMac.
>> 
>> She did tell me that at one point yesterday her iPad had a message 
>> indicating that iinet had an issue.
>> But this issue seems to me more like a home WiFi issue, rather than iinet.
>> 
>> Any ideas please folks ?
>> I think her music is giving her some solace after her recent loss.
>> 
>> Regards,
>> Stephen Chape
>> 
>> 
>> 
>> 
>> 
>> 
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Regards,
Stephen Chape






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