[Evolution] Migration/upgrade from 2.2 to 2.6

[Internaut at Large <dkap haven org>]

I'm sure this is a FAQ or there is a HOWTO out there somewhere ... but

I've just upgraded my system from RH4 to RH5, and Evolution changed from
2.2 to 2.6.

It ignored everything I had in my .evolution directory (huge amounts of
stuff like address books, calendar setups, my 30 or so email accounts,
including my Exchange information, my keys, etc) and wanted me to start
from scratch.

Is there an easy way to migrate from 2.2 to 2.6, or am I going to be
forced to input all the information in again?

Thanks!

-dkap