IMessage on my mac says every contact is not registered with iMessage

When I type a contact to send an iMessage to from my mac, it turns red and says "message could not be sent, contact is not registered with iMessage"

Hi,
Start with the Apple ID site and the Manage ID option.
Check your Apple ID is verified and also that any Alternative email including the Recovery ID is also verified.
Check in Messages > Preferences > Accounts > iMessages account that the Apple ID is actually set to be active "Receive At" option
Same for any other email you have added.
In Contacts app check the Preferences > General section is set to the same Country/Region as the computer.
In System Preferences > Date and Time make sure the Date and Time are correct including the Time Zone and Daylight Saving if it applies.
It is worthwhile setting the Automatic Time Server function.
In the Finder > Go Menu > Go to Server enter ~/Library/Preferences into the dialogue box that appears.
In the Preferences find the com.apple.imessage.bag.plist file and (With the Messages app Quit) drag it to the Trash.
This file will hold the server the iMessages account is trying to use.
(Restart the app afterwards)
8:22 pm Thursday; September 11, 2014
 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

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Help. Trying use imessage and keep getting an error message that says the person is not registered with imessage

I am trying to use imessage and everyone I am trying to send to I keep getting a message that they are not registered with imessage. They all have iphones and I know for a fact they are all registered. I have tried all the trouble shooting steps I have found so far. I made sure my imessage is turned on and set under my apple id and email, I'm connected to wifi. etc... I can use facetime but can not message anyone. Thanks in advance for you help

Hi, reagans3.
Thank you for visiting Apple Support Communities.
I see you are experiencing issues with iMessage. I am not sure what troubleshooting steps that you have processed; however, there are some additional steps in the article below that may help.
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http://support.apple.com/kb/ts2755
Cheers,
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Why does it say my contact's not registered when he is?

I have my friend in my contacts. I tried adding him on iMessage on my iPad, but it says he's not registered. But I saw him use it on his iPhone. What's happening?

An iPhone can send SMS messages like any other cell phone or smart phone via the carrier data plan. The iOS messages app only works with other iOS devices and Mac computers running Mountain Lion or Mavericks. So are you sure that your friend wasn't just sending an SMS message? He still has to turn on and activate iMessage in order to use it on his phone.

A number of my friend will not let me sent messages to it cause it says tht number is not registered with iMessage how do I register it?

Hi

First of all your device needs to be a 3G or 4G iPod Touch running iOS 5 or later. Once you have verified this, you can use this article to help you get started with iMessages.
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I can't texted people on iMessage that are not registered with iMessage

hello,
I have my iphone, ipad and mac book pro all link together with imessage my phone works fine but if i want to text a person from my mac book or my ipad that are not using an apple product it says the number is not registered with imessage how can i send regular texted with my mac book or ipad.
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Hello there, DJ Jason B.
The following Knowledge Base article provides clarification about how Messages works and which options are available:
iOS: Using Messages
http://support.apple.com/kb/ht3529
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

Phone numbers are not registered with iMessage

Hey all.
I've installed Mavericks a few days ago .
I've synced my contacts with iCloud to my macbook air and noticed that I can send iMessage to email adresses only, not phone numbers. while on my iphone it is possible to send iMessage to any number (if it's iphone of course).
if I type the name of the contact or his phone number - it turns red and says "contact is not registered with iMessage".. Clearly they are, because i can send them iMessages through my iPhone.
What am I missing ? Is there any way to fix it ?
Thanks in advance,
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TS4268 I am able to imessage from my ipad all phone numbers in contacts but one. With it a get an error message that say "number is not registered with imessage". However I am able to imessage that number from my iphone. Any suggestions?

I am able to imessage from my ipad all phone numbers in contacts but one. With it I get an error message that says "number is not registered with imessage". However, I am able to imessage that number from my iphone. Any suggestion?

Hey joshuafromisr,
If you resintall iTunes, it should fix the issue. The following document will go over how to remove iTunes fully and then reinstall. Depending on what version of Windows you're running you'll either follow the directions here:
Removing and Reinstalling iTunes, QuickTime, and other software components for Windows XP
http://support.apple.com/kb/HT1925
or here:
Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7
http://support.apple.com/kb/HT1923
Best,
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Can iMessage be used with non iOS 5 users, ie non-apple users. My new i-pad 2 error message says these contacts are not recognized by imessage when I try to text some of these contacts.

Can iMessage be used with non iOS 5 users, ie non-apple users?
My new i-pad 2 error message says these contacts are not recognized by imessage when I try to send them a text.

So that means that I can send text messages through my i-phone to reach non iOS 5 users, but not through my i-pad 2.

Tried to send iMessage from iPod touch (5th generation) but continuously says "contact not registered with iMessage". The contact IS registered with iMessage, but won't send any messages to anyone.

I have an iPod touch 5th generation (7.1.2) that has not been sending iMessages to other iMessage users. At first my iPod would not let me sign in to use iMessage, but I searched on different discussion boards that helped me log in. Now the trouble is not being able to send messages at all. I tried to delete the contact I was trying to message and restart the conversation board, but that didn't help at all. The contact continues to say 'xxxxxx not registered with iMessage" when, in fact, they are. I need help to resolve this issue.
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Can you receive Message?
If so can you reply?
Have you tried when connect to another network?
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TS4268 my imessage and facetime tell me that all my contacts are not registered

My ipod touch says that all my contacts are not registered and so i cannot facetime them or imessage, but it was working earlier. help please

Apple problem
http://www.apple.com/support/systemstatus/

ITunes Says My Contacts Are Being Synced With Microsoft Exchange, But I Don't Have An Exchange Account

iTunes says my contacts are being synced with Microsoft Exchange over the air, but I do not have an Exchange account, and I have disabled over the air syncing on both my iPhone 4, as well as in iTunes. How do I remedy this? I did a complete Restore on my phone to rectify this, but got the same results.
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Since upgrading to Mavericks, my Canon MP980 printer no longer works. I've tried deleting the printer and adding it again. the process ends with my mac saying the software is not currently available from the software update server.

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My ipod displays an icon of a cable and the itunes logo but when plugged in, my mac says that it can not verify my device

My ipod displays an icon of a cable and the itunes logo but when plugged in, my mac says that it can not verify my device. I have a backup saved on my mac but it won't let me open it up or sync my ipod with my mac.

Hi crcascio17,
Thanks for visiting Apple Support Communities.
You may want to try some of the suggestions in this article:
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http://support.apple.com/kb/ts1410
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I attempt to send an e-mail to an address in my Directory and it comes up in a pink block with a red circled exclamation point at the end. "Clicking" on the circle brings a pop-up saying the address is not registered for iMessages. How do I register ??

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Troubleshooting FaceTime http://support.apple.com/kb/TS3367
The Complete Guide to FaceTime + iMessage: Setup, Use, and Troubleshooting
http://tinyurl.com/a7odey8
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http://support.apple.com/kb/TS4268
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http://support.apple.com/kb/HT4245
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http://support.apple.com/kb/HT3529
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http://www.apple.com/ca/ios/messages/
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http://support.apple.com/kb/TS2755
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http://www.igeeksblog.com/troubleshooting-imessage-issues/
Setting Up Multiple iOS Devices for iMessage and Facetime
http://macmost.com/setting-up-multiple-ios-devices-for-messages-and-facetime.htm l
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http://www.iskysoft.com/apple-ipad/send-sms-from-ipad.html
 Cheers, Tom

HT204150 I have a Mac 10.5.8 op system. My Contacts do not syn with I cloud. Trying to get my address book complete on both systems and now I have lots of duplicates on I cloud adress book. How do I efficiently merge the duplictes that are now on I clo

I have a Mac 10.5.8 op system. My Contacts do not syn with I cloud. Trying to get my address book complete on both systems and now I have lots of duplicates on I cloud adress book. How do I efficiently merge the duplictes that are now on I cloud?

You cannot use iCloud with Leopard 10.5.8. The minimum requirement is Lion 10.7.2. If you have been syncing your contacts with iCloud you can only have been doing it by some sort of unsupported hack, and if it doesn't work it's unlikely to be possible to find an explanation. If you have been using other (compliant) devices by trying to sync using both iTunes and iCloud you are likely to get duplicates.
A computer old enough running Leopard may well not be upgradeable to Lion or Mountain Lion, but if you can do so this is the only way you are going to be able to make proper use of iCloud.
The requirements for Lion are:
Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor
2GB of memory
OS X v10.6.6 or later (v10.6.8 recommended)
7GB of available space
To purchase it you will have to ring Apple at the number given at the bottom left of this page.
The requirements for Mountain Lion are listed here:
http://www.apple.com/osx/specs/
It is available from the Mac App Store (in Applications). (If you are currently pre-Snow Leopard you will have to upgrade to that to access the Mac App Store: it's available in the online Apple Store.)
You should be aware that PPC programs (such as AppleWorks) will not run on Lion or above; and some other applications may not be compatible - there is a useful compatibility checklist at http://roaringapps.com/apps:table

IMessage on my mac says every contact is not registered with iMessage

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