We're going to use ADMT for cross-forest migration of a selected group of users with their mailboxes and wondering which path is best suitable for the task.
We already set up the new domain and the trust relationship.
We tested a normal user migration, without considering mailboxes at all, just to validate the environment and it worked fine.
Now we're at the point to correctly plan for real user/group migration with their mailboxes.
Given that the new exchange server is in place and configured I'm looking for guidelines to perform the migration.
Particularly i'd like to know if the user and its mailbox have to be migrated at the same time or if we can migrate all the users before and then, at a second stage, we can merge them with a "mailbox" migration
thanks
