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How to Fix iTunes Unknown Error 3194

2013-07-11 15:48:15 / Posted by to How to iPhone
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Some of the iPhone users may encounter error 3194 while attempting to restore iPhone from iTunes. You may see "The iPhone could not be restored. An unknown error occurred(3194)".
an-unknown-error-occurred-3194

Error codes within 3000 normally indicate that iTunes fails to connect gs.apple.com through port 80 or 443. This error might occur because of interference of invalid or incorrect configuration of security software, gs.apple.com being redirected by certain entry of hosts file or setting of internet proxy.

Solution:

1. Attention: remember to backup SHSH for degrading.
2. Shut down the proxy server to ensure good network environment if it is on.
3. Upgrade the latest version of iTunes.
Check the hosts file. Hosts file is a network service file in Windows which can block your computer network program to exchange data with gs.apple.com by adding Apple IP address and domain name. Hence iTunes fails to receive the needed firmware info of the old version. Manually edit hosts file can solve the problem.
host-files

Go to "Start""run" "cmd", input "nslookup gs.apple.com" and you will find your real regional accessing IP to gs.apple.com. Mark down your IP address, go to C:\Windows\System32\drivers\etc, right click "hosts" and "open in Notepad". You will see 74.208.10.249 gs.apple.com in the last line, replace 74.208.10.249 with your new IP then save and close.
hosts-notepad

If access denied, right click "hosts""property""security""edit",tick "Full control" then again go back to change the IP.
permissions-for-hosts

full-control

Restart computer and now ok to restore your iPhone backup.

Note:if error still occurs while activating iPhone with iTunes, try to disconnect iPhone with computer, shut down iTunes and launch again, connect iPhone and try to activate again. If iTunes reminds iPhone settings, please choose to set new iPhone.

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