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

Before you migrate

Before you migrate, you should check that your part models, drawings, and assemblies are up-to-date and error-free in the source CAD system. 1. Part models Part models should not have any feature errors. You should be able to replay their feature tree without errors. If there are errors in the source CAD system, don’t expect the migration process to run cleanly. 2. Drawings Drawings should be up-to-date with parts and assemblies. 3. Assemblies The assembly structure should be final and up-to-date. Siemens PLM recommends that you do not use the Structure Manager in Teamcenter to edit the source CAD assembly structure before migrating the assembly. Structure Manager edits that have not been reconciled in the source CAD system will cause a discrepancy between what is listed in the BVR and what the CAD assembly file contains. This in turn will cause failures during migration to NX. To reconcile any edits done in Structure Manager with the source CAD assembly, open the affected assembly in the sourece CAD software, update the assembly and save a new version or revision back to Teamcenter. In the case of I-deas assemblies, update all configurations also. Best practices

Best practices

Source: CMM 1921 download (Support Center PL20201112075217794, CMM1921.7z), NXMigration/Documentation/cmm_1921.pdf, page 71 · retrieved 2026-10-02