After upgrading a customer's site from CE to, FedEx no longer returns any rates at checkout. Everything is set up correctly, it worked great prior to the upgrade.

On SO, I noticed someone corrected this by replacing


with the version from, but I wasn't comfortable with it.

I didn't find the answer elsewhere on the Internets, so I decided to share it here.


After looking through the difference I noticed one thing that changed was the ability to set the unit of measure. All I had to do was go into

System > Configuration > Shipping Methods

(make sure that Pounds or Kilograms is selected under FedEx) and Save Config.

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