Error message authentication AppleID login or FaceTime and iMessage

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Level 1

9 points

Error message authentication AppleID login or FaceTime and iMessage

I was able to install latest OS Big Sur on my SSD m.2 drive. However, I can’t logon via Apple ID login and password for either iMessage or FaceTime. Even on a clean OS install without my personal appls. I tried all types of things to check and do i.e. chk date and time; WiFi working;updated latest updates; no firewall; clear cache;, etc. I can easily log into my AppleID upon new install and it shows fine in preference settings. So still get “Error occurred during authentication” each time I try to sign in on FaceTime and IMessage.

iMac Line (2012 and Later)

Posted on Feb 15, 2021 8:41 AM

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Answer 1

Top-ranking reply

samb0112 Author

Level 1

9 points

Feb 25, 2021 8:36 PM in response to Eric Root

So here is the fix. I finally was able to setup a date to bring my iMac to an Apple Store for them to see if they can add the serial number via their serialize tool. They were able to add my serial number back onto the new logic board. Now both iMessage and Facetime can authenticate via Apple ID successfully. That was the trick. Apple iMessage and Facetime requires a serial number to have Apple ID log you in successfully. If not, you will get a similar error message like mine. I hope this helps others with similar issues. Take care and thanks everyone for assisting me during this period. I really appreciate it.

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Answer 2

Eric Root

Level 10

685,251 points

Feb 17, 2021 11:28 AM in response to samb0112

Are you running any anti - virus programs? Using a VPN?

Try setting up another admin user account in System Preferences/Users & Groups to see if the same problem continues. Also try the Safe Mode.

Isolating an issue by using another user account

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Answer 3

samb0112 Author

Level 1

9 points

Feb 19, 2021 7:37 AM in response to Eric Root

no anti virus program and yes did try setting up another admin and still don’t work. I even loaded a clean OS alone and still couldn’t sign in same error message. Was wondering since the logic board was replaced, no serial number. Could it be looking for one?

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Answer 4

jdo_apple

Community Specialist

Feb 17, 2021 11:02 AM in response to samb0112

Hi samb0112,

We see you're having trouble signing into iMessage and FaceTime on your Mac. Here's a resource that we have to address this issue: If you can't sign in to your iMessage account or FaceTime on your Mac

We hope this helps.

Take care.

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Answer 5

Eric Root

Level 10

685,251 points

Feb 19, 2021 11:25 AM in response to samb0112

Not having a serial number can cause problems, but I'm not sure it affects Messages/FaceTime. I suggest you try Apple Support to see if they can help.

Apple Support Contact.

Work through the screens to get an email or chat option.

Apple Support by e-mail or chat.

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