Your Apple ID can't be used to set up iMessage at this time.

I get the same error and message. I have really no clue what happend. iMessage on my iPhone and iPad works great. On my Macbook Pro it doesnt seem to work. I tried everything, Reinstalled Mavericks and even as last resort, downgraded to Mountain Lion. On my iPhone and iPad I changed my iMessage settings and also removed iCloud and iMessage as a sort of reset but nothing changed. The issue with iMessage on my mac did nog change,

Anyone any idea?

Have the exact same problem on my MBP.

Formatted, reinstalled, downgraded, changed HDDs.

Tried EVERYTHING.

Still not working.

*** Apple?

Hey Gandalf1209,

I got the same problem too. However, I managed to make it work. We have a different scenario on how it started because mine happened after installing OS X 10.9.2. This is what I did:

1. Open iTunes.
2. Go to iTunes Store.
3. Sign In using your Apple ID (same ID that you were using for Messages).
4. Authorize your computer :: Store > Authorize This Computer...
5. Fill in fileds using your Apple ID & Password.
6. Click Authorize.
7. Open Messages.
8. Sign In with your Apple ID & Password.

After doing these steps, Messages started to work and stopped giving me the Error Message with the Code. I hope this helps you. Have a great one!

Hooray! This fixed my problem!

I just tried this on my wife's computer and it still hasn't resolved the problem.

I can sign into her imessage account on my mac or any other mac, just not her mac.

So it's bummer that Apple is requiring I pay for AppleCare to fix a software issue that is obviously on their end.

Spent 2 hours on the phone with Apple UK "support".

None of their suggestion worked, talked to 3 levels of support.

That is very SAD (not wanting to use stronger word!)

sc

Im on the phone with an Apple Care rep now regarding this same issue. At first the Apple Care rep gave me the spiel of my MBP being out of warranty. After I explained to her that it is not a MBP issue but a software/server issue with iMessage she then replied with "Okay...I will allow this tech call this one time...blah, blah, blah.." Waited a few moments for a MBP tech advisor and he asked for the Validation/Customer Code that was on my screen from the error message and needed to verify the version of my MBP and verify some things on his end. He asked for my Apple ID and that was it! I re-signed in to iMessage ad it worked.

So definitely call the number noted on the Contact Support page and have your Validation Code ready.

MacBookPro, OS X Mavericks (10.9.4)

I had an experience similar to that of karmsava. I spoke with two reps. The first fellow was super nice, but he didn't know how to deal with the problem. The second guy had seen the problem before, and fixed it in a few seconds. He said it was a certificate expiration, or something like that.

Definitely have the code ready.

I had to escalate to senior support agent. He found a "registration block" on my ID. They were able to remove the block by providing them the "customer code" that appeared with iMessage error during login.

I'll just add to the thread in case others are looking for a resolution.

I went through one advisor who stated that the problem was due to "too many Apple devices" with my Apple ID and that I should deauthorize one or more devices to make this work. This didn't ring true; so I went through the expresslane.apple.com and referenced the original case #. The advantage of chat is that it allows you to provide links (e.g. to this thread) and screenshots which is not possible over the phone.

In any case, the advisor on the chat set up a call with a senior advisor who called me back in about 15-20 minutes. He verified a few details on my account, asked to log in to iMessages - and it worked. Apparently the problem is that if an error is encountered during the registration of a particular device with the iMessage/FaceTime server (in this case a Macbook Air) the device cannot subsequently be registered with the server from the client side. It must be "force registered" from their side. the customer code that the application provides was vital to resolving the issue.

I had the same problem after having iMessage work on my MBP for a long time.

I called the help number and gave my MacBook serial number.. but they said it was out of warranty and wouldn't transfer me to a tech. I recently bought an iPad mini which I knew was still under warranty, so I called back and gave that serial number pretending I was having a problem with that instead.

I told them that since I bought the iPad mini, my macbook iMessage didn't work. I gave the tech the service number that appeared with the error on my macbook, and he fixed the problem on their end.

Total call time was about 10min.

Hope this idea helps if you don't have apple care, or are out of warranty.

When you get

Your Apple ID "******@******.com" can't be used to set up iMessage at this time.

If this is a new Apple ID, you do not need to create another one. To use this Apple ID with iMessage, contact iMessage support with the code below

Customer Code: XXXX-XXXX-XXXX

Call AppleCare and they can register your code.

When you get

Your Apple ID "******@******.com" can't be used to set up iMessage at this time.

If this is a new Apple ID, you do not need to create another one. To use this Apple ID with iMessage, contact iMessage support with the code below

Customer Code: XXXX-XXXX-XXXX

Call AppleCare and they can register your code.

The easiest way to fix this problem is to go to apple id and change your password to a new one. You will have to log into all of your devices with the new password.

In my case, not only did that not work; but was actually the cause of the problem.