icloud calendar won't sync with Thunderbird/Lightning

For discussing the Mozilla Calendar, Sunbird and Lightning projects.
Posts: 93
Joined: March 28th, 2011, 11:24 am

Post Posted July 2nd, 2017, 6:23 am

I've used Lightning successfully for more than a year. Recently, sync stopped working. A pop-up windows asks for the password, again and again, but will not "connect".

I am not using two-factor authentication with icloud, and prefer it that way.

Is anyone currently syncing Thunderbird with their icloud calendar via the Lightning add-on and NOT using 2-factor authentication?

Posts: 5
Joined: October 18th, 2004, 10:40 pm

Post Posted February 10th, 2018, 1:17 pm

I've recently gone through the same ordeal and have therefore documented the whole process:

Due to 2-factor authentication you now need to generate an app-specific password in your Apple ID account.

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