For those people who wants to restore an Iphone 5 and get the Itunes error message -47.
Solution.
Uninstall Itunes. Disable your firewall and firusscanner. Then reboot your computer.
When the computer is rebooted you can install Itunes again and restore the Iphone 5 without an errormessage.
Be sure when to start this solution that the Iphone 5 gives the message " Connect to Itunes" otherwise thisn will not work