@AppleSupport can't login to iMessage – MB Air 12 re-install s/n correct time = auto a/c OK on other devices "Certificate not yet generated" — E2149B4B22 (@notPoussin) 2016年3月23日 @AppleSupport cannot authenticate to iCloud keychain, iMessage or FaceTime on my new Macbook Pro, have 10.11.4. AppStore and iTunes works. — Hendrik ☠ (@Asmod4n) 2016年3月23日 Today’s genius suggested that the problem might