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Content Migration Manager > User's Guide (CMM 1899 Series, Jan 2020) > Part II: General migration process > 7. Best practices

Migrating released items

You should give careful consideration as to how to migrate released items. The first consideration is whether you need to migrate released items. They should only be migrated if they are used as the basis for a new design in NX. The recommendation is to migrate datasets within the same item revision as the released datasets, because this will not duplicate data or create a new item revision. This will not make any change to the original CAD datasets, it will only add new NX datasets within the same item revision. This however does require giving permission to modify the released item revision to the user performing the migration, because new datasets are added to the item revision. This may seem to be a violation Best practices

Best practices of the processes in place at some sites because it technically allows the migration user to modify the released item revision, but CMM makes no change to the released datasets.

Source: CMM 1921 download (Support Center PL20201112075217794, CMM1921.7z), NXMigration/Documentation/cmm_1921.pdf, page 74 · retrieved 2026-10-02