After installing the connectors, plug-ins, and subcomponents you must run the idsync resync command line utility to bootstrap deployments with existing users. This command uses administrator-specified matching rules to
Link existing entries (For more information about linking users , see Linking Users
Populate an empty directory with the contents of a remote directory
Bulk-synchronize attribute values (including passwords) between two existing user populations where entries in both the Windows and Directory Server directories are uniquely identified and linked to each other.
For more information about synchronizing existing users, see Chapter 8, Synchronizing Existing Users and User Groups.