Microsoft 365 migration as the foundation for better workflows and future Copilot adoption

This use case shows how a fragmented workplace can be consolidated into one Microsoft 365 ecosystem, paired with a governance baseline and identity cleanup, so AI productivity can be introduced on top of a safer and more manageable operational model.

This web version was prepared from an internal project document and restructured for a web-friendly, SEO-friendly format.

Scenario typeMicrosoft 365 migration, workplace consolidation and Copilot readiness
Transformation scopenew tenant, email and file migration, Teams rollout and identity unification
TechnologyMicrosoft 365, Entra ID, Azure AD Connect, Power Automate, Meraki SD-WAN/VPN
Main outcomeone platform, lower OPEX and a stronger foundation for future Copilot rollout

The fastest way to understand the project impact

Unified platform

1 tenant

Email, documents, Teams and identity moved under one Microsoft 365 operating model instead of fragmented tools and isolated data islands.

Central identity

SSO

Entra ID and Azure AD Connect introduced single sign-on, central access control and a much cleaner lifecycle for user accounts and permissions.

Lower cost

~20% OPEX

Consolidated licensing, fewer duplicate systems and simpler operations reduced operational overhead for both the IT team and the wider organisation.

AI ready

Copilot base

Governance baseline, MFA, audit logging and cleaner data ownership created a safer base for future Microsoft 365 Copilot adoption.

Challenge and problem

The organisation operated across multiple email, document and collaboration tools without a single management model. User identity was fragmented, processes varied by department and ownership of applications and data was unclear. At the same time, slow response when working with the ERP system increased pressure for change.

  • multiple disconnected platforms without a common operational model
  • weak control over accounts, permissions and responsibility for data
  • the need to prepare for AI productivity without governance chaos

Proposed solution

The work started with a tenant audit and a detailed migration roadmap. A new Microsoft 365 tenant was created under the corporate domain, and mailboxes, files and team communication were gradually moved into it. In parallel, identity was unified with Entra ID and connected to the existing on-prem Active Directory through Azure AD Connect.

  • migration from on-prem Exchange to Exchange Online
  • file migration from file servers to SharePoint Online and OneDrive
  • team collaboration moved to Microsoft Teams
  • SSO and central permission control through Entra ID

Governance and operational impact

Before the new cloud services were fully launched, the project established rules for teams, SharePoint sites, data storage and access management. MFA, audit logs and baseline security policies improved control of the environment and removed much of the operational ambiguity that had built up over time.

  • standardised rules for teams, groups and content spaces
  • central permission management and reliable access removal
  • better security and more consistent cross-department processes

ERP integration and strategic benefit

The core ERP system remained outside Azure in an external Slovak public cloud IaaS environment, but it was securely integrated with the new Microsoft 365 ecosystem through the existing SD-WAN/VPN architecture. That gave the organisation one modern working model without forcing an unnecessary high-risk move of a critical system.

  • secure connectivity between Microsoft 365 and external IaaS-hosted ERP
  • lower OPEX and fewer duplicate systems to maintain
  • a stronger data and process base for future Copilot, Purview or Defender adoption

If you need to unify Microsoft 365, identities and governance while preparing for Copilot without operational chaos, we can design a similar roadmap for your environment

This case intentionally highlights the hybrid reality of the project: not everything has to move into Azure immediately, but the ecosystem still needs to be secure, governable and easy to operate.