Alright, You can convert a area, if it has the same vnums as one that already exists.. It'll give you this..
Log: This is a fatal error. Conversion terminated.
Area conversion failed! See your logs for why.
and then when you type Zones, you'll see this:
Filename Area Name Vnums
Areas listed: 0
Maximum allowed vnum is currently 60000.
I don't think thats supposed to happen like that..