I keep getting "the network connection could not be established" error message when trying to update my iPads and iPhone to iOS 5.1

I keep getting "the network connection could not be established" message when trying to update my iPad, iPad2 and iPhone4 devices using either my iMac or MacBook. The Macs and iOS devices are apparently working correctly otherwise. Problem started about a day ago when I connected one of the iPads to my iMac and iTunes notified my of an update for the device. I tried and got the above message. Tryied other iPad2 and iPhone4 and get the same message. Also, get same message when trying to update using the MacBook. My system SW is 10.7.3 on the iMac and 10.6.8 on MacBook. iTunes is version 10.6. Have gone thru the check list of things to check and have re-started. Would appreciate any ideas. Thanks.

Another user named Springbk posted a fix that worked for me as I was having the same problem today:
I Changed my DNS settings to OpenDNS
On a Mac go to SYSTEM PREFERENCES>NETWORK>ADVACED>DNS
change DNS by adding ( + )
208.67.222.222
then
208.67.220.220
click okay/apply after. then try the update. after the update, just delete the two open DNS server numbers. should revert back to your old one.

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I keep getting the follow error messages when I try to sign into iTunes store or redeem a song code: We could not complete your iTunes store request. The network connection could not be established. There was an error in the iTunes store, please try again

I keep getting the following error messages on my Mac when I try to redeem a song code: "We could not complete your iTunes store request. The network connection could not be established. There was an error in the iTunes store, please try again later." and then, "We could not complete your iTunes Store request. An unknown error occurred (-50)."

Hello, constance132.
Thank you for visiting Apple Support Communities.
Here are some troubleshooting steps that I could recommend when receiving error -50.
"Error -50," "-5000," "8003," "8008," or "-42023"
These alerts occur due to timeouts or conflicts trying to write a file during download.
If you encounter this issue while accessing iTunes Store:
See iTunes 9: "One Moment Please" or "Error (-50)" message when accessing iTunes Store
If you encounter this issue while while downloading something from the iTunes Store:
Delete your iTunes Downloads folder, located in:
Mac OS X:  ~/Music/iTunes/iTunes Media/Downloads Note: "iTunes Media" may appear as "iTunes Music. Also, the tilde (~) refers to your Home directory.
Windows Vista:  \Users\username\Music\iTunes\iTunes Media\Downloads\
Windows 7:  \Users\username\My Music\iTunes\iTunes Media\Downloads\
Windows XP:  \Documents and Settings\username\My Documents\My Music\iTunes\iTunes Media\Downloads\
After locating your iTunes Downloads folder:
Quit iTunes.
Delete the Downloads folder on your computer.
Open iTunes.
Choose Store > Check for Available Downloads.
Enter your account name and password.
If you encounter this issue while while downloading Digital Copies using Windows:
Use MSCONFIG (directions for Windows XP and Windows Vista/Windows 7) to disable conflicting software.
If using MSCONFIG steps resolves the issue, you may want to use the System Configuration Utility to turn on the third-party System Services and Startup Items one at a time (restarting your computer after turning on the item or items) to identify which System Service or Startup Item is causing the conflict.
You can turn all of them back on by selecting the Normal Startup option under the General tab of the System Configuration Utility window, but please note that this may cause the issue to reoccur.
If you are able to isolate the issue to a particular third-party software, you may wish to contact them to let them know of the conflict.
iTunes: Advanced iTunes Store troubleshooting
http://support.apple.com/kb/TS3297
Cheers,
Jason H.

I have been trying to update to iOS 5 and every time I hit update it says, " There was a problem downloading the software for the iPhone. The network connection could not be established." What do I need to do to update to solve this problem?

I have been trying to update my iPhone 4 with iOS 5 for about 30 minutes and I keep getting the same thing. It says,"There was a problem downloading the software for the iPhone. The network connection could not be established." What do I need to do to solve this problem?

iOS: Resolving update and restore alert messages
For error -50: See error 13 and 14:
Error 13 and 14: These errors are typically resolved by performing one or more of the steps listed below:
Perform USB isolation troubleshooting, including trying a different USB port directly on the computer. See the advanced steps below for USB troubleshooting.
Put a USB 2.0 hub between the device and the computer.
Try a different USB 30-pin dock-connector cable.
Eliminate third-party security software conflicts.
There may be third-party software installed that modifies your default packet size in Windows by inserting one or more TcpWindowSize entries into your registry. Your default packet size being set incorrectly can cause this error. Contact the manufacturer of the software that installed the packet-size modification for assistance. Or, follow this article by Microsoft: How to reset Internet Protocol (TCP/IP) to reset the packet size back to the default for Windows.
Connect your computer directly to your Internet source, bypassing any routers, hubs, or switches. You may need to restart your computer and modem to get online.
Try to restore from another known-good computer and network.

I keep getting the "some items could not be found" error.

I keep getting the some items could not be found error for some podcasts I downloaded then deleted. Unfortunately, now, I can't get rid of the error message. So I'm trying to search for said podcast to re-delete the entry. And it's not there. And I can't find it anywhere else. How can I fix this?

Another user named Springbk posted a fix that worked for me as I was having the same problem today:
I Changed my DNS settings to OpenDNS
On a Mac go to SYSTEM PREFERENCES>NETWORK>ADVACED>DNS
change DNS by adding ( + )
208.67.222.222
then
208.67.220.220
click okay/apply after. then try the update. after the update, just delete the two open DNS server numbers. should revert back to your old one.

Cannot upgrade my ipod touch to iOS5.1 - error:"the network connection could not be established" Although I can access the itunes store.

Cannot upgrade my ipod touch to iOS5.1 - error:"the network connection could not be established" Although I can access the itunes store.
Running Mac OS 10.7.3 using itunes 10.6
unplugged other USB devices, disabled security, restarted computer. Next?

Try changing the DNS as described here:
iOS 5 update issues "Network...: Apple Support Communities

Have not been able to update to iPhone softwareversion 5.1. I keep getting the message that the network connection could not be established even though I have been buying apps from iTunes all evening.

I have been trying to update my iPhone4s' software from version 5.0.1 to version 5.1. I continue to get a message from iTunes that a network connection could not be established. I was buying apps for my phone on my computer so I know that my connection is good. I clicked on Help in iTunes and had it to run a network diagnostic and all was good. Are the servers just jammed up with so many people trying to update to the newest software version? Thank you in advance for your time!
Sincerely,
PrettyinPinkInk

look around the forum tons of people repport that they can't update
makes you suspect that apples update servers can't meet the depand of too many users
trying to update at once

I am trying to update itunes 10.6 and ipone 5.1. It trys to contact update server, and then I get a "The network connection could not be established" Help

I am trying to update Iphone - I get message There was a problem downloading the software for the iPhone "JS Iphone". The network connection could not be established

And you're both in the wrong forum. This forum is for Apple Remote Desktop, Apple's software for managing networked Macs. Try reading through the many threads on the issue in the iPhone and ITunes forums. You'll find suggestions for solving your problem there.
Regards.

I am suddenly getting "the network connection could not be made"

I am getting the error message "the network connection could not be made" and am online without any problems. Itunes etc been fine until a week ago and now can't get it to connect to the net - can someone help me with what to do!

Microsoft Windows XP Home Edition Service Pack 2 (Build 2600)
Dell Inc. Dimension 5100
iTunes 7.7.0.43
QuickTime 7.5
CD Driver 2.0.7.3
CD Driver DLL 2.1.1.1
Apple Mobile Device 2.0.0.33
Bonjour 1.0.4.12 (118.4)
iTunes Serial Number 84F27A17068673F2
Current user is an administrator.
The current local date and time is 2008-07-20 17:53:01.
iTunes is not running in safe mode.
Video Display Information
RADEON X300 SE 128MB HyperMemory
RADEON X300 SE 128MB HyperMemory Secondary
** External Plug-ins Information **
No external plug-ins installed.
** Network Connectivity Tests **
Network Adapter Information
Adapter Name: {FA357741-DCC2-4994-B232-D8FB3AB95C51}
Description: GlobeSpan USB ADSL LAN Modem - Packet Scheduler Miniport
IP Address: 169.254.205.203
Subnet Mask: 255.255.0.0
Default Gateway: 169.254.205.203
DHCP Enabled: Yes
DHCP Server: 255.255.255.255
Lease Obtained: Sun Jul 20 08:03:53 2008
Lease Expires: Tue Jan 19 03:14:07 2038
DNS Servers:
Adapter Name: {294C775D-3EBF-4C83-9FC4-B8AF44B2A5F3}
Description: Intel(R) PRO/100 VE Network Connection - Packet Scheduler Miniport
IP Address: 0.0.0.0
Subnet Mask: 0.0.0.0
Default Gateway:
DHCP Enabled: No
DHCP Server:
Lease Obtained: Thu Jan 01 00:00:00 1970
Lease Expires: Thu Jan 01 00:00:00 1970
DNS Servers:
Adapter Name: {073C330F-5F60-45A9-A866-E576CAA4A8F7}
Description: WAN (PPP/SLIP) Interface
IP Address: 92.4.72.142
Subnet Mask: 255.255.255.255
Default Gateway: 92.4.72.142
DHCP Enabled: No
DHCP Server:
Lease Obtained: Thu Jan 01 00:00:00 1970
Lease Expires: Thu Jan 01 00:00:00 1970
DNS Servers: 92.31.241.20
92.31.241.20
92.31.241.21
Adapter Name: {AB8D5AB8-67B8-4A81-846F-A0ABA0CC542D}
Description: WAN (PPP/SLIP) Interface
IP Address: 172.200.129.209
Subnet Mask: 255.255.255.255
Default Gateway:
DHCP Enabled: No
DHCP Server:
Lease Obtained: Thu Jan 01 00:00:00 1970
Lease Expires: Thu Jan 01 00:00:00 1970
DNS Servers: 205.188.146.145
205.188.146.145
Active Connection: dialbb 2
Connected: Yes
Online: Yes
Using Modem: Yes
Using LAN: No
Using Proxy: No
SSL 3.0 Support: Enabled
TLS 1.0 Support: Disabled
Firewall Information
Windows Firewall is on.
iTunes is enabled in Windows Firewall.
Connection attempt to Apple web site was unsuccessful.
The network connection could not be made.
Connection attempt to iTunes Store was unsuccessful.
The network connection could not be made.
Secure connection attempt to iTunes Store was unsuccessful.
The network connection could not be made.
Secure connection attempt to iPhone activation server unsuccessful.
The network connection could not be made.
Last successful store access was 2008-07-06 17:03:11.
Here's what I got. I cleared down DNS as it told me to do but still not working.

"We could not complete your itunes store request. The network connection could not be established. There was an error in the itunes store. Please try again later."

When I try to open the home page in my Itunes I get the message "we could not complete your itunes store request. The network connection is not be established. There was an error in the itunes store. Please try again later." It had been working just fine, in fact I had just purchased a song & edited my itunes account. Could changing the name on my account have cause the error message or is something else going on? This is a brand new computer.

I've got an Apple ID problem, too. All of the sudden in the midnight between August 31st and September 1st, the new apps I picked up on the App Store hung forever 'Waiting..' in my iPhone and never turned 'Loading'. When a substantial amont of time had passed, they reported, they 'could not connect to the App Store' and .. disappeared! Well what they told was not perfectly true because I could however connect to the store as I could browse and pick the apps, but the apps just didn't load. I tried to log into my account in iTunes on my Windows 7 laptop, too, and there got exactly the message in the topic title.
It appeared later my Apple ID did not completely fail because when I switched from my home WiFi to the phone 3G, everything worked just as nothing happened. Logically, this intimated my WiFi had flaws. Or, some place between my WiFi router and Apple servers did, to be precise. My router was not to blame because I did no changes to it whatsoever.
All right, it is Saturday today and my ISP is running in unmanned mode meaning no hotline, but I call them on Monday unless the problem disappears by itself. I just wonder what I say, because from non-i-world point of view everything works well, and I know for sure guys in the ISP support don't own any i-stuff, (because they are all android fanatics) . I'm not telling them my Apple ID to let them reproduce the problem on their home equipment, which means I come almost totally proofless.

TS2690 we could not complete your itunes store request. the network connection could not be established

we could not complete your itunes store request. the network connection could not be established

Hello ,
you can try to sign out of your apple account then sign in again.

Updating Iphone to IOS5.1 error "the network connection could not be establish"

Hi recently when I was in Boston I purchased the new Iphone 4S at apple store. and everything worked fine. Now I wanted to update my phone to the new IOS5.1 but I get this error message "The network connectiong could not be established". I get the same error message if I try to restore my phone. It´s very frustrating as I live in Iceland and here is no apple store.. Anyone know how to fix this??

There have been updates before ( eg 5.0.1) and never ran in to issues until this latest one.

"The network connection could not be made" error

Hi,
Last night I uploaded my first podcast to iTunes and now, when I try to download it, it says "The network connection could not be made" - is this because iTunes haven't approved it yet? Or could this be an error on my part, e.g. RSS error?
Thanks!

Anyone? It's still not approved/working =/.

The ipod software update server could not be contacted.the network connection could not be established

the ipod software update server could not be contacted.the network connection could not be established

Try changeing the DSN server. See:
iOS 5 update issues "Network...: Apple Support Communities

TS1368 we could not complete your iTunes store request. The network connection could not be established.

On my ipone and my pc this happens how do i fix it!

I'm having the same problem with iTunes on my mac. First I get a message saying the network connection couldn't be established, and then I get unknown error -50.
Apple status indicates that it isn't a problem with the iTunes store... http://www.apple.com/support/systemstatus/

I cannot download and update the version 5.1? it says "the network connection could not be established"

what will i do? i dont have prob with my net connection.

This has solved loads of people who have this issue and have used an alternate DNS setting. Below are instructions for both iPhone OTA and on you Mac
If you are getting the error message "Unable to check for update" when you try an OTA (over the air update)
Change DNS Servers
Settings -> Wi-Fi
Click the blue arrow on your connected network
Delete everything in DNS and replace it with 208.67.222.222, 208.67.220.220
Try again
If this works, you will probably want to remove the WiFi network using "Forget This Network" and then reconnect to it to get your original DNS servers back. Alternatively, make a note of the original DNS servers before deleting them and replace it after you are done.
If you are getting the error message "Unable to check for update" when you try through iTunes
On your Mac
Choose Apple menu > System Preferences, and then click Network.
Select the network connection service you want to use (such as Wi-Fi or Ethernet, unless you named it something else) from the list, and then click Advanced.
Click DNS, and then click Add at the bottom of the DNS Servers list. Enter the IPv4 address for the DNS server.
You can use OpenDNS
208.67.222.222
208.67.220.220
or
You can Google Public DNS if you want
8.8.8.8
8.8.4.4

I keep getting "the network connection could not be established" error message when trying to update my iPads and iPhone to iOS 5.1

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