- #MAC NETWORK SETTINGS IMESSAGE SERIAL NUMBER#
- #MAC NETWORK SETTINGS IMESSAGE INSTALL#
- #MAC NETWORK SETTINGS IMESSAGE CODE#
- #MAC NETWORK SETTINGS IMESSAGE PLUS#
- #MAC NETWORK SETTINGS IMESSAGE MAC#
If you are behind 2 layers of NAT, you will have trouble. If you are behind a tight firewall, you will have trouble. Unfortunately, it is also possible for external network devices like routers and firewalls anywhere between the two ends to thwart those mechanisms. All of those services include mechanisms to set up direct connections between 2 machines that may have IP addresses which are temporary and/or may be behind a NAT gateway that translates their traffic between a public and private (unroutable) address. Once you've eliminated the possibility that your system config is explicitly blocking communication, you can look to the outside. if you have anything else in there, you should remove it.
#MAC NETWORK SETTINGS IMESSAGE PLUS#
And because you mentioned it, you get a rant: NEVER add entries to /private/etc/hosts on a modern MacOSX except for the 4 that the system needs for proper loopback initialization at boot time: IPv4 localhost and broadcasthost plus 2 forms of IPv6 localhost. You probably will want them back on eventually, but they should be off while you are trying to get complex services working to assure that they are not able to cause secondary blockage. To figure it out, you should start by shutting off Little Snitch and the built-in firewall. There's nowhere near enough info in the question to provide a sure answer to your problem, but there are clues pointing to possible issues. But since my first version of this, I have been pointed at by someone too polite to call m stupid in public, and that has strong sign of iCloud/SN linkage.
#MAC NETWORK SETTINGS IMESSAGE CODE#
Apple cares most about people buying hardware, so the only "piracy" of MacOSX that they interfere with in code is running it on non-Apple hardware. no DRM with keys and mandated validation with the vendor as with Windows. There's no lockdown of an installation of MacOSX to a particular Mac, i.e. non-Apple) hardware it usually has far more severe problems. When MacOSX thinks it is running on dodgy (i.e. Sadly I am out of AppleCare coverage, but maybe a Genius would see the fault is Apple's and re-serialize the board. Would this affect iMessage/iCloud in Mountain Lion? It worked in Lion despite this.
#MAC NETWORK SETTINGS IMESSAGE SERIAL NUMBER#
Of note: the serial number listed in About this Mac/System Information is incorrect and does not match the SN on the case (off by one letter-I think it was serialized incorrectly once after the logic board was replaced once).
#MAC NETWORK SETTINGS IMESSAGE MAC#
Please check your network connection and try again."Īttempting to sign in yields "Could not sign in. Turning on Back to My Mac gives the error "iCloud server not responding." (though it didn't seem to try very hard, looking at the network monitor)Īttempting to sign in yields "Could not sign in to iMessage. I am running Little Snitch (version 3.0.4) though turning it on or off has no effect on these results.
#MAC NETWORK SETTINGS IMESSAGE INSTALL#
If iMessage is not working on Mac, check out these Mac-specific tips and troubleshooting techniques! Master your iPhone in one minute a day: Sign up here to get our FREE Tip of the Day delivered right to your inbox.After doing a clean install of Mountain Lion on my MacBook Pro (13" unibody, MacBookPro5,5) and upgrading to 10.8.3 I'm having trouble with iMessage, Facetime and Back to My Mac.
If iMessage isn’t working, you can set it so that your iPhone automatically sends an SMS instead. The last resort I recommend trying is signing out of your Apple ID and signing back in. This might help give your iPhone the reset it needs to get iMessage working again. If iMessage still isn't working, try this last step. Step Four: Sign Out of iMessage & Back In If your iMessage problem is that they’re sending from your email, locate Start New Conversations From and select your number, instead of an email. You should also be able to reselect your email, if desired.
If your iMessage problem is that it’s grey-out, delect your emails, redo step two, and return to make sure your number is checked.
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