Fly provides multiple customized features for Microsoft 365 Groups Migration. Refer to the following information to use the features:
- **EnsureUserWithLoginName** – Define whether to use the user principal name (UPN) to map users that are not included in user mappings when all user property options are disabled in the migration policy. By default, Fly will use the UPN to map these users to ensure they can be successfully migrated.
If you do not want to use the UPN to map these users, you can add the **EnsureUserWithLoginName=false** string to disable the feature.
- **Membership** – Defines how to migrate the membership for source Groups.
By default, if you have selected the **Membership** option in the migration policy, Fly will migrate both owners and members for source Groups. You can add the **Membership=1** string to only migrate owners or add the **Membership=2** string to migrate members only.
To change back to migrate both owners and members for source Groups, you can change the string value to **3** or delete this feature.
- **MigratePermissionsOnlyForSharePoint** – Define whether to migrate the whole team sites or only migrate permissions of the team sites.
By default, Fly will migrate the whole team sites of source Groups. If you want to only migrate permissions of the team sites, you can add the **MigratePermissionsOnlyForSharePoint=true** string to the **Customized features** section.
To migrate the whole team sites again, you can remove the feature string or change the string value to **false**.
- **MigrateTeamSite** – Define whether to migrate SharePoint team sites for Groups.
By default, Fly will migrate SharePoint team sites for Groups. If you do not want to migrate the SharePoint team sites, you can add the **MigrateTeamSite=false** string to the **Customized features** section to disable this feature.
To enable this feature again, you can change the string value to **true**.
