Migration coexistence

Concept

A migration phase in which the old and new environments, for example two Microsoft 365 tenants, run side by side and are linked so mail and collaboration keep working while users move in batches.

Titre graphique : coexistence de migration (concept)

Type	Concept

Related to

SharePoint migration · Concept

Glossaire

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Maintenu par Mirko Peters (Microsoft MVP) · Dernière mise à jour: 2026-11-10