Migration to Cloud
How a Global Logistics Company Achieved a Smooth Microsoft 365 Tenant‑to‑Tenant Migration
Client industry
Logistics & supply chain
Implementation period
2 months
Challenge
Migrate over 600 users and all Microsoft 365 services to a new tenant after a corporate division and head‑office relocation.
Logistics & supply chain
Implementation period
2 months
Challenge
Migrate over 600 users and all Microsoft 365 services to a new tenant after a corporate division and head‑office relocation.
Key takeaways:
- Smooth migration of all core workloads
- Seamless user experience with no downtime
- Full rebuild of the hybrid identity & email environment
- Successful domain move to the new tenant
Breaking Away: Why the Migration Became Critical
When the client, a global logistics company with more than 600 employees, underwent a corporate restructuring and changed its central purchasing entity, its Microsoft 365 environment suddenly needed to be divided as well. The organization had been running a complex hybrid setup combining Azure AD, on‑premises AD, Exchange Server, and Exchange Online. With teams actively using Exchange, OneDrive, SharePoint, Microsoft Teams, and Planner, even a short disruption would impact daily operations.
A full tenant‑to‑tenant migration wasn’t simply a technical task. It was business‑critical.
Understanding the Load: A Deep Look Into the Existing Environment
The initial assessment revealed large volumes of active data:
All of this had to be moved securely, with complete data fidelity, and with users continuing their work without losing access to files or communication history. On top of that, the existing hybrid identity scheme had to be rebuilt from scratch for the new tenant without breaking authentication for hundreds of users.
Engineering the Transition: A New Tenant, a New Identity Model
The project began with the careful deconstruction of the old hybrid identity configuration. The team created a clean, modern hybrid setup in the new tenant, ensuring proper synchronization between Azure AD and on‑premises AD. This foundation made it possible to migrate accounts and ensure that usernames, permissions, and access levels remained consistent.
Next came the service‑level transitions: migrating mailboxes, OneDrive data, SharePoint sites, Microsoft Teams structures, and Planner boards. Each workload required its own migration toolset and methodology to preserve metadata, timestamps, sharing settings, and conversations.
Moving the Heart of Collaboration: Teams, Files, and Communication
Microsoft Teams was one of the most critical systems for the client. The migration included teams, channels, chat messages, and files, tied to Teams groups. Employees could continue collaborating during the migration while all content was gradually transferred to the new tenant.
Simultaneously, terabytes of OneDrive and SharePoint data were moved with a special focus on preserving access rights and shared links so that teams didn’t lose collaboration continuity.
The Final Step: Switching the Domain With Zero Confusion
One of the most delicate parts of any tenant‑to‑tenant migration is moving the domain name. The domain must be removed from the old tenant, verified in the new one, and reconfigured — all without interrupting email flow or user authentication.
The project team executed this step in a controlled window, synchronizing DNS changes and Microsoft 365 configurations to ensure a seamless switch. Users simply logged in the next day with the same familiar domain, a new tenant, and a fully migrated environment.
A Successful Migration With No Disruption
Within just two months, the company transitioned to a fully rebuilt Microsoft 365 ecosystem in a new tenant. All critical workloads (Exchange, OneDrive, SharePoint, Teams, Planner) were migrated with complete data integrity. The old hybrid environment was gracefully decommissioned, the new one fully deployed, and the domain successfully transferred.
Employees experienced no downtime, no data loss, and no interruption in communication. The organization emerged with a clean, optimized Microsoft 365 foundation aligned with its new corporate structure.
When the client, a global logistics company with more than 600 employees, underwent a corporate restructuring and changed its central purchasing entity, its Microsoft 365 environment suddenly needed to be divided as well. The organization had been running a complex hybrid setup combining Azure AD, on‑premises AD, Exchange Server, and Exchange Online. With teams actively using Exchange, OneDrive, SharePoint, Microsoft Teams, and Planner, even a short disruption would impact daily operations.
A full tenant‑to‑tenant migration wasn’t simply a technical task. It was business‑critical.
Understanding the Load: A Deep Look Into the Existing Environment
The initial assessment revealed large volumes of active data:
- Exchange Online: 2 TB
- OneDrive accounts: 3.5 TB
- SharePoint: 0.5 TB
- Microsoft Teams: 1.5 TB, including channels, chats, and files
All of this had to be moved securely, with complete data fidelity, and with users continuing their work without losing access to files or communication history. On top of that, the existing hybrid identity scheme had to be rebuilt from scratch for the new tenant without breaking authentication for hundreds of users.
Engineering the Transition: A New Tenant, a New Identity Model
The project began with the careful deconstruction of the old hybrid identity configuration. The team created a clean, modern hybrid setup in the new tenant, ensuring proper synchronization between Azure AD and on‑premises AD. This foundation made it possible to migrate accounts and ensure that usernames, permissions, and access levels remained consistent.
Next came the service‑level transitions: migrating mailboxes, OneDrive data, SharePoint sites, Microsoft Teams structures, and Planner boards. Each workload required its own migration toolset and methodology to preserve metadata, timestamps, sharing settings, and conversations.
Moving the Heart of Collaboration: Teams, Files, and Communication
Microsoft Teams was one of the most critical systems for the client. The migration included teams, channels, chat messages, and files, tied to Teams groups. Employees could continue collaborating during the migration while all content was gradually transferred to the new tenant.
Simultaneously, terabytes of OneDrive and SharePoint data were moved with a special focus on preserving access rights and shared links so that teams didn’t lose collaboration continuity.
The Final Step: Switching the Domain With Zero Confusion
One of the most delicate parts of any tenant‑to‑tenant migration is moving the domain name. The domain must be removed from the old tenant, verified in the new one, and reconfigured — all without interrupting email flow or user authentication.
The project team executed this step in a controlled window, synchronizing DNS changes and Microsoft 365 configurations to ensure a seamless switch. Users simply logged in the next day with the same familiar domain, a new tenant, and a fully migrated environment.
A Successful Migration With No Disruption
Within just two months, the company transitioned to a fully rebuilt Microsoft 365 ecosystem in a new tenant. All critical workloads (Exchange, OneDrive, SharePoint, Teams, Planner) were migrated with complete data integrity. The old hybrid environment was gracefully decommissioned, the new one fully deployed, and the domain successfully transferred.
Employees experienced no downtime, no data loss, and no interruption in communication. The organization emerged with a clean, optimized Microsoft 365 foundation aligned with its new corporate structure.
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