For some people they are too eager to try the new iPhone OS to wait, you may have read of the problems that many of them run into but here’s a way round it.
The way we stop the verification is not disconnecting from the internet each time but stopping iTunes contacting the verification server.
Note: this is a Windows tutorial not Mac.
First of all open Notepad.
Click on File > Open and ensure that your viewing All files and not just .txt files.
Now go to C:\Windows\System32\drivers\etc
Now find the file ‘hosts’ and open it.
Go to the bottom of the file and paste the following:
Now save the file making sure iTunes isn’t open.
Note: this will just stop the verification, you can still use the iTunes store.