Method One: Modify network connection DNS
Click on the "Start" menu, select the Control Panel and enter the control Panel. In the Control Panel, select Network and Sharing Center, as shown in the following figure
After entering the network and Sharing Center, click on "Local Link", as shown below
In the Local Links window, select Properties, as shown below
In the Properties window pop-up, select Internet Protocol version 4 (TCP/IPV4), and then click Properties, as shown below
In the Internet Protocol version 4 (TCP/IPV4) Properties window, select Use the following DNS server address, and then, in Preferred DNS server, fill in 8.8.8.8, as shown below
Finally, all the way down to confirm, exit. To solve the itunes hint "can't contact the iphone software update Server" issue.
Method Two: Modify Hosts file
Open in turn, the WINDOWS\SYSTEM32\DRIVERS\ETC directory of the system disk
Double-click the Hosts file and choose to open it with Notepad, as shown below
The following figure, at the bottom of the Hosts file plus 74.208.10.249 gs.apple.com
Save and close the Hosts file,
To solve the itunes hint "can't contact the iphone software update Server" issue.
Click on the address: Http://support.apple.com/kb/TS1814?viewlocale=en_US, do not close it, and then reopen itunes, the problem is solved smoothly.
Windows user Please open: c:windowssystem32driversetc, find the Hosts file, open with Notepad, find the following statement, 74.208.10.249 gs.apple.com Delete it. If it's not resolved, replace the gs.apple.com on the back of the URL with phobos.apple.com or albert.apple.com.
From the Start menu "run" in the input cmd, open the Command Line window, open and enter the command "nslookup gs.apple.com", you will find your area access to the real IP gs.apple.com, write down your IP (marked red), such as:
Windows XP Users open folder (c:windows/system32/drivers/etc/), open the Hosts file, right-click on Notepad or WordPad to open the Hosts file, on the last line (or maybe not the last line) 74.208.10.24 gs.apple.com to replace the IP just noted (if you open the 74.208.10.24 gs.apple.com directly in the last blank line to enter the IP, such as 17.171.36.30 gs.apple.com), after saving exit. Open itunes again and the problem is solved.
See if the Messenger,telnet,terminal Services service is open on your computer. Right click on my Computer, and then click Management-> System Services, find you want these three services, open on it.
Windows XP users choose Control Panel from the Start menu, open the Internet Options Control Panel, click the Connection tab, click the LAN Settings button, and select the "Automatically Detect settings" checkbox.
Click OK in the two Windows respectively. Reopen ITunes and connect to the IPhone, IPad, or IPod. Update or restore the device.
Windows Vista and Windows 7 users choose Control Panel from the Start menu. Select the network and Internet, and then select the Internet option. Or, in Classic view, open the Internet options control Panel. Click the Connection tab. Click the LAN Settings button. Select the checkbox for automatically detect settings.
Click OK in each of the two windows. Reopen ITunes and connect to the IPhone, IPad, or IPod. Update or restore the device.
Window user opens the folder c:windowssystem32driversetc, finds the file hosts, and replaces the following parts of the red Word with the Hosts file
# Copyright (c) 1993-1999 Microsoft Corp.
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
# This file contains the mappings's IP addresses to host names. each
# entry should is kept on a individual line. The IP address should
# is placed in the ' the ' followed by the corresponding host name.
# The IP address and the host name should is separated by at least one
# Additionally, comments (such as) May is insert Ed on individual
# lines or following the machine name denoted by a # symbol.
# 102.54.94.97 rhino.acme.com # source Server
# 38.25.63.10 x.acme.com # x client Host
127.0.0.1 localhost
Made so much we found in the network to deal with, in fact, this problem we do not need to adjust as long as a change of time, this foreign network and domestic instability is a normal phenomenon.