From this thread: http://entityframework.codeplex.com/discussions/406754 it looks like our strategy for upgrading the history table doesn't work on Azure.
Comments: Fixed in a214d416da1606f6fe9c8319be1eab98cc9d37b8 by emilcicos
Comments: Fixed in a214d416da1606f6fe9c8319be1eab98cc9d37b8 by emilcicos