If MobileMe suddenly stops working on the Mac

Oct 24, '11 07:30:00AM

Contributed by: IWT

I have 2 iMacs and an iPhone all in sync via MobileMe. Out of the blue, one of the iMacs refused to sync. It let me sign in via Preferences » MobileMe; but the Mac was no longer registered and nothing would permit me to re-register the Mac.

All of the other devices were working fine.

Here's how I got it to work again:


[crarko adds: This sounds like a damaged Keychain, or something getting scrambled with the encryption. I've typically see this with Wi-Fi keys or email passwords getting messed up in the Keychain, and the solution was the same.]

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