I would guess they'd use a unique ID generated at the time of install.
On 1/15/09, Art Alexion <[email protected]> wrote: > Do they use a MAC address? > > I don't own a Windows computer, and I borrowed a laptop from work to > load my music when I first got my iTouch. Before returning it, I > removed iTunes and deleted my user profile. > > Then I installed it on my one work PC with Windows. I took a 120 GB > drive from a dead laptop and popped it into a USB powered enclosure (no > external power converter to carry around, it is the size and shape of a > 1940s cigarette case) and use that is my iTunes library on my work > computer. I use it to transport my songs from my full collection at home. > > My question is, can I reinstall iTunes on that same borrowed laptop in > order to de-authorize it? Should work if they go bt MAC address, right? > > > On 01/14/2009 Alli wrote: >> Guess I should do that then, since I long ago used up all my authorized >> computers on machines that suffered reformats. >> >> Harold M. Goldner wrote: >>> > Once a year you are permitted to 'deauthorize all computers' and start >>> > over. >>> > >>> > Only once a year. >>> > >>> > I have no idea how they keep track of this in Cupertino, but they must.
