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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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Posted on Dec 11, 2017 7:32 AM

I'm having the same issue... and so are many others. It seems this is related to the security bug found with HomeKit last week. Although there hasn't been a specific response from Apple regarding this specific issue... many have surmised that this is related. Apple has said that remote access for guests using HomeKit is disabled until the fix is released sometime this week. Hopefully that will restore the "unable to find iCloud ID" bug that many of us are also facing...


Stay tuned... it's annoying for sure. My wife cannot access any of our home devices right now.

147 replies

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

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