Why does Home Sharing require an active internet connection?

I have noticed when my internet goes down I have real difficulty streaming content to my Apple TV from my iMac. I can see it but I get stuck on the spinning clock. Some audio works OK but video not. This makes no sense. I shouldn't need any internet to access content on a local device.
It seems to be by design, per Troubleshooting Home Sharing (n.4) "Home Sharing requires a home network with an active Internet connection."
But why can I play music but not TV shows? And why is there not an error message instead of spin? In any case why require it at all? I reset the home wireless, and the modem. My ISP confirmed there was cable trouble at that time. When the internet went back up, home sharing worked.

Thanks for the many many replies, Apple User Community. Apple seems to have removed this requirement with the latest software update (7.0.1) for the Apple TV .

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HT3819 why does home sharing leave the bar as soon as I click "done" after turning it on?

Why does home sharing disappear from the bar as soon as I hit "done" when ATTEMPTING to turn it on?
I have tried turning it off and when I turn it on again it appears in the bar when I am turning it on BUT DISAPPEARS as soon as I hit the "done" button.

Hello there Garry2,
Here is a little gem for troubleshooting Home Sharing in iTunes called Troubleshooting Home Sharing found here http://support.apple.com/kb/ts2972.
I recommend starting at step 4:
4. Check your network connection
5. Check Firewall Settings
6. Quit and reopen apps and iTunes
7. Restart your network router
Cheers,
Sterling

When trying to use my banking apps I get the error "Network Required This application requires an active Internet Connection. Please try again"

When trying to use my banking apps I get the error "Network Required This application requires an active Internet Connection. Please try again". This happens with two different apps from two different banks. One of them works occasionally and have not figured out why. I have cell signal and I am on a strong WiFi network. Same thing happens when I turn off the WiFi too. I have tried uninstalling and re-installing the app with no improvement. I can't seem to find any setting that would cause this. Does anyone have any suggestions?

I can access the internet just fine in the browser and i can use any other app i have.
Sent from my Verizon Wireless 4G LTE DROID

Why does File sharing require internet?

I have two computers, both on Snow Leopard 10.6.8 connected to my router. If I have my WAN cable unplugged from the router or my Internet is not working, I find that when I try to access one computer from the other for Apple File Sharing (AFP), that the finder "Connect to Server function" just spins after I put in the server address of the other Mac. Plug in the Internet, and all is fine. It seems that somehow the Internet is being required. Why? And how do I fix this?
My TCP/IP settings for each machine for the network interface used are:
Configure IPv4: Using DHCP with manual address
IPv4 Address: 192.168.0.[some number greater than 1]
Subnet mask: 255.255.255.0
Router: 192.168.0.1
Configure IPv6: Off
I am using fixed IP addresses on my LAN rather than DHCP.
Thanks

PROVEN: IT IS NOT MY ROUTER.
Good isolation testing, and component elimination.
In the first post you said you had been using DHCP with Manual IP address. In the router elimination test you did not mention Manual address and I get the impression you just allowed normal DHCP assigned IP addressing. If my interpretation is correct, that is good.
Stupid question, was Airport turned off during your experiments? If it was not, it is always possible that the Macs were trying to use WiFi instead of the Ethernet cables. By default Mac OS X gives priority to Ethernet, however, it is possible that your System Preferences -> Network interface ordering was changed to give Airport a higher preferences over Ethernet. You would use the Gear icon next to the [+][-][*] icons under your list of interfaces to see/set the interface order. Ethernet should be 1st in the list.
I think that when you open System Preferences -> Network, the interface list is displayed with the current active interface highlighted, but I never did a riggerous experiment to prove this.
This should work. So I'm going to suggest, as an experiment, you start by booting each Mac into "Safe Mode". Boot holding the "Shift" key. This will eliminate any 3rd party extensions from loading, just in case there is a bit of 3rd party software that is interfering.
As a diagnostic experiment please get a copy of "Bonjour Browser" and "WakeOnLan". Both of these utilities probe the network and give execellent lists of network devices they find on the local LAN.
<http://www.macupdate.com/app/mac/13388/bonjour-browser>
<http://www.macupdate.com/info.php/id/15779/wakeonlan>
You should be able to see the other Mac from the output of each of these utilities. Bonjour Browser should be able to show you they Apple File Sharing services being offered, and you should see both your Macs listed. If not then something is blocking the protocol, or for some reason the Mac is not advertising the service.
If you use Applications -> Utilities -> Network Utility you should be able to find out if port 548 is open on the other computer using the port scan option. It should be, but the question is whether Network Utility can see it through your router.
I have run out of experiments to try. Hopefully this will shake something loose and allow you to move forward towards a solution.

Why does home sharing stop working?

Home sharing with my windows 7 desktop suddenly stopped working about 2 months ago. I went through the recommended steps online for troubleshooting home sharing but that did not help. A friend said I should uninstall and then reinstall iTunes which works the first time I connect via Apple TV. The second time I turn on Apple TV, home sharing does not work; i.e. it will not connect. I should remark that uninstalling and then reinstalling ITunes does not always work in allowing home sharing to make the connection. Any ideas to try?

I have had the same frustrations for months. Then I read a suggestion and tried it and it worked, at least for me. Here is what you do.
Go to Control Panel
Then click Network and Internet
Then Network Sharing Center
Under Connections, click your internet connection.
In the pop up box click on "properties" and when the box pops up, say yes.
Then uncheck Internet Protocol Version 6 and click the okay box.
After I did that mine started working and has worked even after turning off itunes and getting back in.
I hope this works for you.

Why does Home Sharing not work on iTunes 10.5.3 between a Windows PC and MacBook Pro?

I have a Dell XPS M1530 laptop which is my older laptop, consisting of all my music, apps and so on. I recently purchased a MacBook Pro (latest version) and would like to use Home Sharing to browse my music libraries and so on on there. However, I find that I am unable to do this, after several methods I have attempted in order to resolve this issue.
The Home Sharing on the left column does not appear at all.
I have upgraded iTunes on both laptops to the latest version yesterday, which I assume is iTunes version 10.5.3.
I have turned off Home Sharing, and turned it on a few times.
I use the same Apple ID to log in to Home Sharing.
I named both playlists/music libraries to the same name - not sure if this is a way to 'fix' the problem but I saw it in a thread.
I tried all the above methods, but to no avail. Home Sharing still does not work - in fact, it does not even appear on the left column; it disappears as soon as I turn on Home Sharing.
Help is very muchly appreciated.
Thank you very much!

First, each Library should have a unique name, not the same name.
Now, I wrote an extensive how-to in another thread that explains Home Sharing, Library Sharing, how to turn them on and identify them and so on. See if it helps you with your problem.
https://discussions.apple.com/thread/3461734

Why does home sharing on my ATV disconnect?

I use my ATV Gen 2 about once a week. When I turn it on and go to the Computers menu, I get a message telling me to turn on home sharing on my computer. But home sharing is on already on both my iMac and my ATV. I have to turn it off and turn it back on in iTunes to get it working properly, but then a few days later when I come back to the ATV I have the same problem all over again. My network is Verizon FIOS using the Verizon supplied cable modem with a built in n router. Other computers on the network are working fine.

I have this issue as well... It's extremely frustrating. Especially since no one seems to know how to fix it.
From what I can tell, the video isn't streaming to the iDevice quickly enough, so it keeps pausing. My setup at home is all my iTunes library is on a separate HDD connected to my mac via USB and streamed to my iPad via our WiFi. I don't know if travelling through so many devices would slow it down enough to cause it to keep pausing, especially with HD movies. The funny thing is, it works fine between my iMac and my MacBook, so it's the iPad/iPhone that's to blame.
All I can suggest is what I've been doing, which is by no means a solid solution since it sometimes helps the issue and sometimes makes no difference. I restart my iPad/iPhone and I restart iTunes and keep network traffic to a minimum. I've also converted allot of my movies and TV shows to a lower bitrate in the hope that they will play smoother, at a sacrifice of image quality...
To be honest, what I tend to do at the moment is just sync a movie to my iPad when I'm near the computer then, when I'm done, delete it to save space.
I'm afraid that's all I can do to help... I really hope iOS 5 does something to fix this issue since I use home sharing allot and I hate it when it decides not to work.

Why does home sharing only list a few of my songs, lots of faults?

I've got a pretty large library where my music is hosted on a PC file server, but iTunes is running on a mac mini.
I've enabled Home sharing, but I get lots of problems.
The iPhone doesn't allways pick up the home sharing and when it loses it I have to power off the phone and then back on again for it to find the shoare again.
When I can see the share and pick a playlist, I only get a few dozen tracks out of a list of thousands
When I play the tracks, nothing happens, it just skips from track to track without doing anything.
All my music is in MP3 format on the server, and iTunes on the mac mini has no problems playing it at all, and if I transfer the music to my iPhone I have no problem at all, it just seems to all revolve around the home sharing not working.
Also, from another PC system I can't see the home share at all. If I select in iTunes on the mac to share the music on the local network then the library appears on the PC under sharing, just not using Home sharing.

Have you synced music to your iPad? If so, look in the MUsic app, not iTunes which is the storefront only.
If you do mean iTunes, then either your other songs were not purchased through iTunes or they were purchased with another Apple ID.

Why does home-sharing not work with Windows-PC and iMac?

Aber mit gleichem Windows-PC und MacBookPro doch? Alles im selben Neztwerk. Der PC erscheint beim iMac einfach nicht unter Freigaben. Der iMac erscheint zwar beim PC unter Freigaben, aber wenn man auf die Mediathek des iMac in der PC-Anzeige klickt, erscheint der bunte Drehball und nach einer Weile ist die Anzeige des iMac in der Rubrik Freigabe beim PC nicht mehr da. Erst nach Neustart des PC erscheint der iMac dort wieder. So nutzt mir das gar nichts. Die Einkäufe werden automatisch auf allen drei Geräten aktualisiert.
Sämtliche "Hilfen" habe ich durchsucht, aber ohne Erfolg. Es klappt einfach nicht mit der Freigabe.
Vielleicht ist es ja möglich, eine deutsche Antwort zu bekommen.
Ich kann mir auch gut vorstellen, dass ein solches Forum in Deutschland gut genutzt würde. Es ist sehr schade, dass es das nicht gibt. Aber vielleicht kommt soetwas ja irgenwann einmal. Jetzt wo auch in Deutschland an jeder Ecke Apple-Produkte zu kaufen sind und keine Exoten mehr darstellen.
Vielen Dank im voraus.

First, each Library should have a unique name, not the same name.
Now, I wrote an extensive how-to in another thread that explains Home Sharing, Library Sharing, how to turn them on and identify them and so on. See if it helps you with your problem.
https://discussions.apple.com/thread/3461734

Why Does Home Sharing keep dropping out?

Hi,
I recently got an apple TV and I'm very happy with it. However one irritating thing is that the Home Sharing in itunes keeps dropping out. So I sit down comfortably in my armchair, ready to watch one of my home movies that I have in itunes movies on the computer, and go to select it and 'nothing'. I have to drag myself upstairs, open itunes, disconnect home sharing and then reconnect home sharing and then everything is fine.
It's not a huge deal but rather irritating. Can anyone tell me how I can prevent this disonnect of home sgaring from happening?
Thanks,
Steve.

Intermittent problems are often a result of interference. Interference can be caused by other networks in the neighbourhood or from household electrical items.
You can download and install iStumbler (NetStumbler for windows users) to help you see which channels are used by neighbouring networks so that you can avoid them, but iStumbler will not see household items.
Refer to your router manual for instructions on changing your wifi channel or adjusting your multicast rate.
There are other types of problems that can affect networks, but this is by far the most common, hence worth mentioning first.

HT3819 why does home sharing seem to turn off randomly?

It always happens at some point, sometimes 2 or 3 times during the same movie or music mix and I invariably have to go to my Macbook and turn off home sharing then turn it back on.... It never seems to be my comcast provider or wireless router. So what is the fix???

Hello there Garry2,
Here is a little gem for troubleshooting Home Sharing in iTunes called Troubleshooting Home Sharing found here http://support.apple.com/kb/ts2972.
I recommend starting at step 4:
4. Check your network connection
5. Check Firewall Settings
6. Quit and reopen apps and iTunes
7. Restart your network router
Cheers,
Sterling

Does Home Sharing require the Apple ID to be used?

If I have Home Sharing turned on, only users that have the Apple ID can connect correct?

these support articles might be useful: one and two.
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Why does Home Sharing require an active internet connection?

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