Trying to activate iMessage and FaceTime on my MBP (Retina, 13-inch, Early 2015; macOS 10.13.3) keeps returning "An error occurred during activation. Try again."

  • I have gone through the suggestions on this page, i.e. turning them both off, restarting my phone (model A1586, iPhone 6) and activating them again, but to no avail.

  • I have also made sure that time zone is automatically set in Date & Time (both on my iPhone and on my mac).

  • I have reset NVRAM.

  • I have also ensured that I am actually able to log in to my Apple account online, which works fine.

  • I have signed out and in iCloud from both phone and MBP.

  • I have checked that location services is on on my iPhone (have even reset location and privacy settings) and on my computer.

  • I have checked that my computer's Firewall is Off.

  • I have reset all my phone settings.

  • I have rebooted into Safe Mode on the computer.

  • I get a similar error when I try to make a new user on my mac and log in to Apple Account.

  • I have created a new Apple ID, which does not work either.

(Where appropriate, I have after each of these steps restarted both phone and computer.)

Does anyone have any other suggestions on what I can try?

  • Check that Location Services is ON or Try disabling Firewall. – Pratik Jan 31 '18 at 6:19
  • @PratikaRana, thanks for the suggestions. Have now tried both of those, but still without luck... – avriis Jan 31 '18 at 7:58

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