I have checked the help files in the ADMT and it appears that it will only
replace the account in the target domain with the account in the source
domain. As a result, the users will be removed from the groups in the
target domain and they will loose access to their applications. I want to
Re-read what that helpfile entry says:
However, the wizard does not remove the user from groups in the
target domain that no longer exist in the source domain.
That implies that it will update the account in the target domain with
group membership from the source domain, but it will
