MAIL AND DIRECTORY MIGRATION
Nested groups are groups that are members of another group. A top-level group may contain a single nested group or even a hierarchy of nested groups. By default, when you migrate a group you also migrate the groups nested within it, and the local users in those groups. A nested group is migrated only if you migrate its parent group.
For more information about migrating nested groups, see the topic Migrating nested groups.
If you decide that you do not want to add nested groups and their members, you can change the default to prevent them from being added. However, you cannot prevent Domino Upgrade Services from adding local users of the main group.
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