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Q: cant log in to iMessage

when trying to sign in to Imessage on Mac with Mountain lion i get a error saying

could not sign in to imessage

The registering device does not have appropriate credentials.

i have used this device for imessage for 6 to 8 months already.

iMac, OS X Mountain Lion (10.8.4)

Posted on Aug 25, 2013 11:47 AM

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Q: cant log in to iMessage

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  • by norwegiannightmare,

    norwegiannightmare norwegiannightmare Nov 24, 2015 6:55 PM in response to Ralph Johns (UK)
    Level 1 (0 points)
    Nov 24, 2015 6:55 PM in response to Ralph Johns (UK)

    So i did log in, and nothing really changed. I am confused as to what 2 Step Verification is, but I don't believe I have it. Sorry, I am very uneducated on this sort of thing.

  • by Ralph Johns (UK),

    Ralph Johns (UK) Ralph Johns (UK) Nov 25, 2015 12:20 PM in response to norwegiannightmare
    Level 9 (72,957 points)
    Applications
    Nov 25, 2015 12:20 PM in response to norwegiannightmare

    Hi,

     

    2 Step Verification is an added layer of security really.

    Frequently asked questions about two-step verification for Apple ID - Apple Support.

     

    IF you can log in to the Apple ID page and have received no prompts to sort anything out it remains a bit of a mystery as to why the Apple ID is not working elsewhere.

     

    Phone Apple Support and tell them you have an Apple ID issue.

    These are free to fix.

    You may be handed over to a Level 2 person and the Level 1 people are script led aimed at solving Apple Care Software and Hardware issues.

     

     

    3Sigcopy2.png

    8:20 pm      Wednesday; November 25, 2015

     

      iMac 2.5Ghz i5 2011 (Mavericks 10.9)
     G4/1GhzDual MDD (Leopard 10.5.8)
     MacBookPro 2Gb (Snow Leopard 10.6.8)
     Mac OS X (10.6.8),
     Couple of iPhones and an iPad
  • by StupidSystem,

    StupidSystem StupidSystem Dec 4, 2015 10:37 AM in response to Ralph Johns (UK)
    Level 1 (0 points)
    Dec 4, 2015 10:37 AM in response to Ralph Johns (UK)

    dont see that item was recreated in keychain access. and, in any event, solution not working. still getting authentication error, when i try to log in to imsg. but makes no sense that i have no other issues with this apple id!

     

    UPDATE: guess now I do see that item recreated in keychain access. maybe after I quit messages app? But solution still not working. I have tried several listed here. I bought a new MacPro that had El Capitan preinstalled. How difficult to switch to older OS? Messages working on all of our Mavericks computers still. Just not on El Capitan. Not sure about Yosemite.

  • by Ralph Johns (UK),

    Ralph Johns (UK) Ralph Johns (UK) Dec 4, 2015 1:44 PM in response to StupidSystem
    Level 9 (72,957 points)
    Applications
    Dec 4, 2015 1:44 PM in response to StupidSystem

    Hi,

     

    Generally speaking a computer cannot be "Backdated" to a version of the OS that it has never used when it has a Newer one from the Start.

    i.e. if it came with El Capitan then it cannot run Yosemite or earlier.

     

    As the iMessages server is separate then you can have the issue in only one app.

    If you look in System Preferences > iCloud (the most likely place the ID is also used) then there is no setting to Enable it for Messages, or iTunes or the App Store or FaceTime.

     

    This means on one hand that individual Servers can go down  and only one app will be affected.

    It also means that your ID can be "Suspended" on one server and not on others.

    In the case of the iMessages server that is based on each devices unique Login which involves Auth Tokens based on the devices Serial Number.

    An over zealous security feature seems to be tripping out some Macs

     

    If...

    You have tried a Safe Boot,  a NVRAM reset, deleting some of the .plists involved, removing the Auth Token for the IDS: Apple ID info from the Keychain and you still cannot Log  in or you appear to be and all Contacts Go Red and say they are "not Registered with iMessages" or each Send get a "Not Delivered"  then the account is not Logging in properly.

    The ONLY solution is then contact Apple support and say you have a Apple ID issue and join the merry dance (currently they say they don't know of the issue and eventually a Level 2 person will involve the Engineers (they are looking for the trigger) before someone will tell you it takes 24 hours to reset).

     

    I wish you luck at this stage as I have not found any suggestion I have made to people embarking on this is making it any faster.

     

     

    3Sigcopy2.png

    9:44 pm      Friday; December 4, 2015

     

      iMac 2.5Ghz i5 2011 (Mavericks 10.9)
     G4/1GhzDual MDD (Leopard 10.5.8)
     MacBookPro 2Gb (Snow Leopard 10.6.8)
     Mac OS X (10.6.8),
     Couple of iPhones and an iPad
  • by katdailey,

    katdailey katdailey Apr 15, 2016 8:20 PM in response to Ralph Johns (UK)
    Level 1 (18 points)
    Mac OS X
    Apr 15, 2016 8:20 PM in response to Ralph Johns (UK)

    I tried everything listed and nothing works. I keep getting a "Could not sign into iMessage. The user name or password was incorrect. Try again." I'm using the username and password in other applications besides iMessage without a problem. It stopped working for me and for my daughter on the same day---different MAC and different cloud and different iTunes account.

  • by Ralph Johns (UK),

    Ralph Johns (UK) Ralph Johns (UK) Apr 16, 2016 11:32 AM in response to katdailey
    Level 9 (72,957 points)
    Applications
    Apr 16, 2016 11:32 AM in response to katdailey

    Hi,

     

    I am not aware of any drop out of th iMessages service.

    Nothing appears in the time line at the bottom of this page http://www.apple.com/support/systemstatus/

    Are we talking about a period before the Time Line can scroll back to ?

     

    IF you look in System Preferences > iCloud you will see there is nothing to activate fro iMessages, Messages itself, iTunes, The App Store , FaceTime, Apple Developers if you use it and several other less well known services you an use your ID with.

     

    If your Apple ID ends in @mac.com, @me.com and is linked to iCloud or @icloud.com then it can be used as an AIM Screen Name.

    You can add it in Messages as an AIM Account.

     

    In this Thread use Linc's green Marked (Solved) answer to make sure all the Files on your computer can be accessed by "you".

     

     

     

     

     

    3Sigcopy2.png

    7:32 pm      Saturday; April 16, 2016

     

      iMac 2.5Ghz i5 2011 (El Capitan)
     G4/1GhzDual MDD (Leopard 10.5.8)
     MacBookPro 2Gb (Snow Leopard 10.6.8)
     Mac OS X (10.6.8),
     Couple of iPhones and an iPad
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