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I update to Lion yesterday and couldnt get my facetime to work. I tried editing my hosts file - there was nothing wrong with it. I also read that you can delete the com.apple.facetime.plist files (4 of them) in your library and that also didnt work...but I did find the solution.

Delete the Apple .Mac Certificate Authority .cer from your keychain. Spotlight>keychain access>login>certificates>copy the file to your desktop (just in case) and then delete it. Perform a reboot and presto.

The certicate I had was from 2009, which i suspect is the problem. I'm running an 24 inch iMac from 2007.

I hope this helps someone.

Hi,

I want to try your solution, because I tried all like you with no results.

But I don't know what means "presto"??

Can you explain please how to do presto?

Thank you!

i don't see this certificate. i don't have an iphone.

jmoye, thanks for the solution. it worked great on my Mac and Macbook air.

gaialive, thanks for making it possible to do it with your constant patience and step by step guidance for those of us that are not programmers, developers or symilar.

cheers guys

.

jmoye, thanks for the solution. it worked great on my Mac and Macbook air.

gaialive, thanks for making it possible to do it with your constant patience and step by step guidance for those of us that are not programmers, developers or symilar.

cheers guys

I agree, Rodx. Both jmoye and gaialive have been absolutely terrific and really have helped us. Thanks guys (and gals if that's the case).

Got it working finally. Thank you @gaialive and everyone else that contributed.

Editing the host file per gaialive's instructions worked for me. Many thanks! 🙂

Hello Guys,

Well, I tried every single solution on this forum (and a few more too), but couldn't get Face Time to work.

So I scheduled an appointment to a Genius Bar and after all kinds of diagnosctics and fixes the Genius performed, we couldn't get it to work either.

One last thing he did was starting the Mac from an external drive, and all worked fine.

So we arrived to the conclusion that there had to be a software corruption problem and he recomended a full clean install of Lion.

Besides de headache it means to migrating all your stuff back again to the Mac, a full clean install corrected the problem (and a couple more too).

So, lucky you who could get Face Time to work without a clean install, but for those who couldn't, this seems to be the solution.

There are a bunch of posts regarding a clean install of Lion, how to download the install app again and burn a bootable installation disk.

Good Luck !

thx. but still doesn't work...

Hi all !

The problem is solved by setting a automatic synchronization of the time and date.

Hi Vitalyishim,

What auto sync of date and time are you talking about ?

I don't have a clue...

Hi!

In the settings for your computer to do so: System Preferences - Date&Time - Set Date and Time automatically and Time Zone tab also install Set timeZone Automatically.

And everything will be fine! I just helped!

http://www.youtube.com/watch?v=gq6W040MWbc

I thought so.

I always had auto sync enabled and that made no difference.

I don't see how this has to do with the Face Time logi-in, but you just got lucky.

The only way I solved the issue was with a clean install of Lion, because it was a software corruption case.

Thanks any way.