I'm trying to use Messages instead of Adium, but it won't let me chat with some of my contacts.

These aren't iMessage accounts, but gmail users. If I try to message them, I get a "address is not registered with iMessage." alert. There doesn't seem to be any reason or method to it, either. I've tried restarting iMessage as well as rebooting my machine.

  • 2
    You have to add a Google account in Messages first.
    – duci9y
    Commented Sep 17, 2012 at 16:21
  • My apple.com account is a google account. Commented Sep 17, 2012 at 16:32

1 Answer 1


Add the Google account to the Messages app. After that, you can use Messages with GTalk.

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