Macbook asking for iPhone passcode not working

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Level 1

71 points

Macbook asking for iPhone passcode not working

Hi All,

I have recently freshly installed Mac OS on my Macbook Pro (High Sierra 10.13.5), and when signing into my Apple ID it asks me for additional authentication in the form of my iPhone passcode. But for some reason it keeps refusing to accept the code, despite it working perfectly fine on my iPhone.

My mobile device despite being mine is running my companies device management software, if that is any constellation.

Just wondering if anyone had has a similar issue as it is frustrating having my Mac alert me each time upon login to "Update Apple ID Settings" when I don't seem to be able to.

Cheers

MacBook Pro, macOS High Sierra (10.13.5)

Posted on Jul 6, 2018 1:56 AM

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Answer 1

Jul 6, 2018 2:59 AM in response to Jarred_daw

Your mac is NOT asking for your iPhone passcode!

What is happening is part of what is called 2-factor authentication or 2FA.

It is asking for a code that should appear on your iPhone screen at that moment; that is, assuming your iPhone is set as your "trusted device".

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Answer 2

Jarred_daw Author

Level 1

71 points

Jul 6, 2018 3:57 AM in response to Luis Sequeira1

Luis, whilst I appreciate your responses my Macbook is asking for the passcode of "xxx's iPhone", not for a code that has been sent to my iPhone. I work in the IT industry and am well versed in the various methods of device authentication.

Without posting the image from machine this is what it is asking me in a dialog window as I sign in.

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Answer 3

Jarred_daw Author

Level 1

71 points

Jul 6, 2018 3:04 AM in response to Luis Sequeira1

Hi Luis,

Nope, it’s definitely asking for my iPhone passcode. It says please enter the passcode on “xxx’s iPhone”

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Answer 4

Jul 6, 2018 4:10 AM in response to Jarred_daw

I am sorry, I have never seen this before.

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Answer 5

tygb

Level 9

65,010 points

Jul 6, 2018 4:58 AM in response to Jarred_daw

See this article Use a passcode with your iPhone, iPad, or iPod touch - Apple Support

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Answer 6

Jarred_daw Author

Level 1

71 points

Jul 6, 2018 3:11 AM in response to Luis Sequeira1

Luis,

No I didn’t look at my phone because it’s asking me for my iPhone passcode. When I enter it, it just says passcode is incorrect. It isn’t using multi factor authentication.

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Answer 7

Jul 6, 2018 3:40 AM in response to Jarred_daw

Then look at it.

Don't take my word for it, look at your iPhone.

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Answer 8

Jul 6, 2018 3:06 AM in response to Jarred_daw

Did you look at the screen on your iPhone at that time?

It should show you a code. That is the code you need to type (not the code you'd type to unlock the iPhone)

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Macbook asking for iPhone passcode not working

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