AD Cleanup Wizard question - Microsoft Exchange

> I have an AD domain with the migrated accounts (via ADMT) and now the
> disabled accounts that were created by my ADC. I started the AD Cleanup
> Wizard to take a peek at how it worked and it didn't recognize any
accounts
> that needed to be merged. Is this normal? Anyway, I went ahead and did
the
> selecting of accounts myself and it asks for the source and target. Which
> is which? Is the disabled account the source or the target?


The documentation on the Exchange 2000 CD doesn't cover this and I can't
find a definitive answer at MicroSoft's website :-(

Bueller? Bueller? ;-)