I Got This.
My iPad 2 On iOS 7.0.3 (Latest Update). After updatintg my iPad To iOS 7.0.3 , and asking for set the passcode, after more than 1 hour, i forgot my password and my iPad has blocked. They also Message Read "iPad is disabled" and "connect to iTunes". And i go to computer with windows 7 Ultimate 32 bit, and i connect to iTunes and sync. I Want To Back Up Before Restore My iPad, And Cannot back up because iTunes Ask to me, "your iPad is locked by passcode/password, before you back up, first you unlock the passcode to back up". That is.
And i select "Restore iPad".
When You Restore your iPad, All Data on your iPad Has Lose/erased when you not backed up.
when you want to back up, thats not work. Because Your devices is locked by passcode. when locked, back up is not work.