Although the planning and implementation phases of a Lotus Notes
migration can be complex, using Migration Wizard to move users,
messages, and calendar information to Exchange is fairly
Prevent access to the Lotus Notes domain by Lotus Notes clients
and administrator programs during migration.
Stop the services used by Connector for Lotus Notes
(if you're using it) before migrating user accounts; otherwise,
after the Lotus Notes accounts have been migrated, they may be
deleted from the Lotus Notes system during directory
synchronization with Active Directory. You can restart the
connector after you've verified that migration of the users and
their mail was completed successfully.