I requested my ML code yesterday morning and got it in 10 minutes. When I tried it, it failed. I called Apple's 800 # & they said it is a "known issue". I was told that new codes were going out and I'd get it anywhere within 12 to 72 hours (big range, I know). I got the new code at 4:30 this AM and will try again later today. Let's see what happens!