IPods won't mount since system migration

I recently did a system migration using the migration assistant from my old 24" imac to a new 27" imac, both running the latest version of Snow Leopard. I have two ipod touches and neither one will now mount on the new mac. They don't show up in iTunes or in disk utility. They mounted on the old one so I know the issue is with the mac itself.
They appear to receive power from the connector but cannot communicate with the mac. Other peripherals work on the same port.
Any suggestions?

Hello bercg,
I'm sure you tried plugging them into different USB ports and using different USB cables? Have you tried resetting either iPod with it connected to your iMac?
Otherwise, work through each troubleshooting procedure described in this Apple support document as necessary.
http://support.apple.com/kb/TS1591?viewlocale=en_US
B-rock

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I just don't get computers sometimes (even after being a software developer for over 25 years).
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Hello!
What kind of iPod do you have? (new one?)
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Oh yeah... it's a 40 Gig with a scroll wheel... not sure the "name" of the generation, it says "copyright 2003" on the back.
and my new shuffle works just fine with the new computer...

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As you pointed out, I've done a little detective work here already - as I do with any problem I've have with my Macs. I find that in virtually every case, I'll resolve the issue myself - which is why this is the first time I've posted to Apple's discussion board.
You see, once upon a time, I provided 2nd tier Mac technical support in addition to acting as a liason to the engineers for a huge printer company whose name begins with an "X". I've been working with OS X since it was beta, and have been honing my Mac "detective skills" ever since. Now, I realize that I sound as though I'm tooting my own horn here, but I wanted to point out that I'm not another Mac newbie who just made the switch.
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The card readers don't require any 3rd party software - there are no drivers, firmware updates, etc. - they define "plug-n-play".
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IPods won't mount since system migration

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