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Sharing HomeKit problem - Apple ID is not registered with iCloud problem

On last Thursday we shared a HomeKit (host is my wife's iPad) to my wife's sister. From that moment, I lost connection with iPad - Home App on my iPhone was showing an error connecting to it. So, I removed my my account from guests, then her sister's. Now, my wife can't invite anyone - Home App is always telling that this Apple ID is not registered with iCloud.


I tried:

- to restart all devices

- log-out and log-in to iCloud on all devices

- reinstall Home App on all devices

- disable and enable contacts sync

- to send invitation from “guest” HomeKit to the “host” HomeKit - ironically same problem - Apple ID is not registered with iCloud


Nothing works. Now, only my wife can use HomeKit devices. What is going on or what am I doing wrong ?

iPad Mini Wi-Fi, iOS 11.2

Posted on Dec 11, 2017 4:55 AM

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Question marked as Top-ranking reply

Posted on Dec 11, 2017 6:57 PM

I am having the same sort of issues. From what I read the homekit bug was resolved in 11.2 however I have updated all the family devices and the invite system is very hit and miss. I was able to invite my son but it fails on his device when accepting the invite and stays as pending on mine. More importantly I can't invite the wife getting the could not invite because the apple id is not register in iCloud error. Wish apple would sort this out ASAP.

147 replies

Sharing HomeKit problem - Apple ID is not registered with iCloud problem

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