Issues With 2 TB External Drive via USB

I've had the Extreme sine August and everything about it has worked great. I had a Seagate 500 GB external drive connected to it and all of my devices could access it and use it.
Now, I upgraded to a 2 TB Seagate Free Agent and I can't get it to work with the Airport Extreme.
The 2 TB drive shows up in Airport Utility, works fine when connected directly to the computers, is brand new with 3.0 capabilities (although nothing in my setup is usb 3.0) and has been tested as both OS X Journaled and FAT32.
I've seen one publicly posted issue around this drive (unresolved), and have noticed a couple unresolved issues with drives this size not working via USB on the Extreme.
Is the Airport Extreme just not handling 2 TB drives?
Is there something I'm missing?
Is there anything somebody else has done to make a drive work that wasn't?
Any suggestions would be greatly appreciated...
Thanks.

I bought two Seagate GoFlex 2TB drives from CostCo @ $99 each. I formatted both drives as Mac OS. One of the two showed up with NO Disk Need Repair error and worked great but I couldn't get the second one to work. After physically attaching both via USB to my MBP, I formatted the second one again as Mac OS Extended (Journaled) to no avail. Then I checked the first one and found the discrepency. The first one was formatted as Mac OS in the DISK and in the VOLUME. The second one was only formatted as Mac OS in the Volume. The "DISK" part was still in the original facotry format of MS-DOS (FAT). I had forgotten to format the "DISK". Once I re-formatted the "DISK" as Mac OS then hook up to the USB hub to the ABE, a sweet success!

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