iMessage not working on Big Sur

Just updated to Big Sur from Catalina on a 16" MBP, and now my iMessage doesn't work. On launch it prompts me to sign in, and when I do, it displays the iMessage interface with all my chats for about 10-20 seconds before it quits and gives me that same prompt again.


If I try to send a message while the interface is displayed it gives an error message about iMessage not being enabled :/


Weirdly enough, the iMessage preferences windows does not open nor is iMessage or FaceTime listed under the services using my iCloud account.


Does anyone know what exactly is happening here, and if there is a fix?


ps: iMessage works fine on my iPad which uses the same AppleID

MacBook Pro 16″, macOS 11.0

Posted on Nov 12, 2020 9:39 PM

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Posted on Feb 10, 2021 12:12 PM

I had this issue as well after the OS was updated to Big Sur. Now it is finally solved.

I contacted the Apples support online chat, they're helpful but help is quite limited because the issue remained after trying their troubleshooting attempts. They advised me to do the following,

1) Create another admin account on mac.

2) Log into the new account and try to sign in message and facetime.

3) Because the issue persisted, they advised me to reinstall the OS.

4) System reinstall was not successful because it says "The volume can't be downgraded."


Then the online chat group scheduled a session for further assistance.

Apple called me thereafter and they found that my apple ID was reported as Spam and thus not functional on imessage and facetime. They removed me from the spam list and restarted my mac and IT WORKED!


So the solution is simple, reach out to the senior Apple support group and they can fix this. Hopefully, it helps.




77 replies

Nov 25, 2020 8:30 AM in response to ruchira918

So when I tried to boot messages this morning in Big Sur, wouldn't open, got a kernel panic, but the notifications for them are showing.

Tried these steps to no avail:

  1. boot to safe mode
  2. reset nvram
  3. moved to trash the .plist file in Library
  4. reset SMC ( even thought I didn't expect this to help as it is used for power issues)
  5. booted to recovery, ran Disk Utility (first aid) on all containers
  6. reinstalled macOS from Recovery


Issue still persists, I understand that there are bugs, so hoping that Apple sends out an update to fix these bugs.

Dec 8, 2020 3:17 PM in response to knightvsbishop

Thank you david.ross392 and knightvsbishop,


I reset my login keychain and deleted the local items keychain. Restarted and logged back in.


Unfortunately it didn't work.


knightvsbishop, I don't have any failed messages so I'm unable to try what you've suggested.


A Christmas miracle would be nice. I've been working on this for over 20 days now. Apple hasn't been able to resolve the issue and I still have an open ticket with them.


If you guys or others have ideas, I'm willing to check them out.


This is an incredible pain.


Thanks again.

Dec 14, 2020 7:51 PM in response to ruchira918

I have the exact same issue on my MacBook Pro 16... and as far I see this is only affecting the same model, MacBook Pro 16 2019.... I tried everything and the system ask me to log in again an again and again... its painful... I tried refreshing my keychain, logging out from my Apple ID and iCloud accounts... restarting and shutting down... nothing worked, I was hoping that the issue was fixed with todays Big Sur update but nope..... I can't use my iMessage at all... but on my iPad Pro is working fine...

Dec 27, 2020 3:32 PM in response to ruchira918

I contacted Apple after I tried many of the fixes listed here. My "FIX" was that I was told imessage is no longer an app. It is now just called Messages. Nothing is different except you have to "two finger swipe" to delete (which was apparently enabled in imessage, I just did not know). However, I did not have trouble sending or receiving messages, so this might not be the answer for you if that is your case. Just wanted to help those who were searching for the lost "imessage app". Good luck to all.

Feb 11, 2021 12:51 PM in response to zheng181

Now I'm more worried about it... sadly my MacBook Pro 16 inch doesn't have any software support from apple in my country (Colombia) I only have hardware support and I can't access to support page for my device and this is weird because I actually have support for my iPad Pro 2018 12 inches (both bought new on the same apple retail store Mac Center Colombia).... so as far I could see I would start to say good bye to iMessage on my MacBook Pro ... very bad thing....

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iMessage not working on Big Sur

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