...
You'll notice as you first start importing that all of your media objects will jump to either "Failed" or "Waiting". Media objects in "Waiting" are waiting for the second pass of migration which will connect them with their masterfiles and derivatives. During the second pass these object will move to either "Failed" or "Completed".
Viewing Class and Individual Item Details
You can drill down to an Avalon class type and see its items and basic migration information. This is a good place to check for errors during migration.
...