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How to deathorize all iTunes-authorized machines Apps
I'm sure many people have noticed the 'Deauthorize Computer...' item on the Advanced menu of iTunes. But what if you no longer have the computer in question? I was worried about this circumstance, however a little research turned up a 'secret' feature of the iTunes Music Store.

If you log into your account in the iTunes Music Store (click your Apple ID in the upper right), you will see the number of computers that are currently authorized. Although you can not see the computer serial numbers or edit them, once you have the maximum number (5) of computers authorized, a button will appear to Deauthorize All computers, effectively resetting your music rights.

[robg adds: I wasn't aware of this hidden feature, and I'm presently sitting at four machines, so I can't really test it. Kirk McElhearn told me that he's heard you can only use this feature once per year. If anyone knows for sure, please post...]
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How to deathorize all iTunes-authorized machines | 15 comments | Create New Account
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How to deathorize all iTunes-authorized machines
Authored by: djones on Jun 28, '05 11:57:02AM

You can only use this feature once per year. The button will not show up if you have fewer than 5 authorized computers or if you have deauthorized all within the past year.

Anytime your hardware changes (adding RAM, changing a video card, etc.) it triggers as a "new machine" and can use up an authorization. I was sitting at 4, but didn't have 1 of the computers. And 3 of the "computers" were one machine, because I never knew I had to deauthorize the computer before putting in upgrades. Add some RAM or change your hardware config in a machine to artificially max out to 5 machines like I did, then you can freely deauthorize all.



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How to deathorize all iTunes-authorized machines
Authored by: slb on Jun 28, '05 02:25:18PM

Not true! The only change to hardware that will trigger as a "new Mac" is the logic board - this is where the serial number is embedded.
You can change the RAM, video card, hard drive all you like with no ill-effects.

SB



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How to deathorize all iTunes-authorized machines
Authored by: djones on Jun 28, '05 05:10:32PM
Sorry, man, but you're wrong. I only own one computer, and had 4 authorizations used up, 3 on this machine, and 1 on a friend's laptop. 1st Authorization: Bought G5. 2nd Authorization: Added 2GB of RAM, approx 1 yr later 3rd Authorization: Changed video card, about 2 weeks after the RAM upgrade 4th Authorization: Listening to songs from my iPod connected to my friend's PowerBook. My personal experience is confirmed by the Knowledge Base article a couple of us linked below, specifically this text:
Make sure you deauthorize your computer before you upgrade your RAM, hard disk or other system components. If you do not deauthorize your computer before you upgrade these components, one computer may use multiple authorizations. If you find you have reached 5 authorizations due to system upgrades, you can reset your authorization count by clicking Deauthorize All in the Account Information screen.


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How to deathorize all iTunes-authorized machines
Authored by: slb on Jun 28, '05 06:26:27PM

Well, I upgrade systems daily, and on this very one, I put in new RAM and a bigger hard drive yesterday - no more authorizations were used.
Never seen that ever - and I support ~ 125 Macs here which are all new (within on year)
I can't believe that would do anything, but if you say so, I have no choice but to believe it happened to you.

SB



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How to deathorize all iTunes-authorized machines
Authored by: djones on Jun 28, '05 11:59:10AM

Oops, forgot the supporting link:

http://docs.info.apple.com/article.html?artnum=93014

This KB article covers all the details, including the once per year restriction. It's linked from the main page named, simply:

http://www.apple.com/support/itunes/authorization.html



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How to deathorize all iTunes-authorized machines
Authored by: moonhawk on Jun 28, '05 12:03:04PM
what about partitions?
Authored by: Hal Itosis on Jun 28, '05 01:02:47PM

Hope I'm not wandering too far afield here, but does anyone know what the "policy" on partitions is? Say I have a Tiger / iTunes 4.9 partition, and a Panther / iTunes 4.7 partition. The Tiger volume is the 'main' OS, and is already authorized. Booting into the Panther volume and attempting to play an iTMS protected purchase is prevented by the "This computer is not authorized" dialog. (Keep in mind... physically, it's the same PowerBook).

So what's the deal? If I authorize the Panther volume, will that **permanently** count as 2 machines? Or will the iTMS eventually see that it's the same (hardware) serial number... and --after some time-- drop it back to count as only one?

I know, I know... I should just try it out, and then tell you folks. :-)
I just wondered if anyone already knows the answer from experience.

-HI-



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what about partitions?
Authored by: smanzo on Jun 28, '05 04:43:19PM

Each OS install counts as a machine. The hardware may be the same, but whatever _total_ hash iTMS is using will be different between the two.



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what about partitions?
Authored by: gcole on Jun 28, '05 11:50:27PM
Each OS install counts as a machine.
I believe this is incorrect. I had to create a separate partition for the Tiger install (3rd party VPN took forever to get to Tiger), but my iTMS machine count stayed at one; purchased songs play fine under both OSes.

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How to deathorize all iTunes-authorized machines
Authored by: Dephex Twin on Jun 28, '05 01:12:29PM

This is a great tip. I have just two computers but all 5 authorizations are used up. Why? Because, on my old iBook, I kept having to have the logic board replaced. Only the very last time it was replaced, the guy at the Apple Store told me to deauthorize my computer because a new logic board was equivalent to a new computer. It's great to be able to fix this.

One strange thing though, after I deauthorized all computers, the computer I'm using appears to still be authorized. In my iTMS settings it now says "0" are authorized, but I am playing purchased music as I type this. Anybody else have the same experience?

---
"Knicks suck, Yankees suck, Mets suck..."
"...Krypton sucks"



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How to deathorize all iTunes-authorized machines
Authored by: Tablespork on Jun 28, '05 06:32:59PM

iTunes doesn't check for authorization every time you play a song, only when it needs a new key. This is why they don't tell everybody about this "feature", or whatever you want to call it. People could theoretically put all their music on 5 computers, deauthorize them all, then put them all on another 5 computers, etc.



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Just give it a little time.
Authored by: hobbster on Jun 28, '05 09:25:00PM

You'll have to re-authorize in a few days. At least that's what happened for me.



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How to deathorize all iTunes-authorized machines
Authored by: Jwink3101 on Jun 28, '05 10:36:17PM

If you have already done this within the last year and need to fully de-authorize, there is a form on Apple support where you have to ask them to do it for you. It takes a few days but it worked

On another note, i do not see the reason for the year interval but i'm sure apple has its reasons



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How to deathorize all iTunes-authorized machines
Authored by: el bid on Jun 29, '05 07:23:26AM

> i do not see the reason for the year interval but i'm sure apple has its reasons

Sure, Apple has it's reasons. What beats me is why Apple users put up with it. It has FA to do with music or computing. It's easy enough to avoid DRMed material, so why not just leave it alone?

--
el bid


---
el bid



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How to deathorize all iTunes-authorized machines
Authored by: Stormbird on Feb 01, '08 12:31:42PM

Stupid question but I'm a newbie to macs so here goes.
I've got a Power PC Imac G5 and an Intel core Duo MacProBook but my iTunes account registers 4 authorised machines already. I don't know how this happened, but my dumb question is; if I de-authorise all the machines when they get to 5 my music library is not affected - right ? When I plug in any of my iPods everything will be OK - right ? Glad I can't hear you all laughing.........



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