Cloud adoption rarely removes the on-premises estate; it leaves a smaller, older and less-documented one. That remainder still runs things the business depends on. This work covers directory services, servers, virtualisation and the automation that stops those platforms from needing a person every time — alongside a realistic view of what should move and what should not.

Scope

What this covers

Windows Server and Active Directory

Modernisation, consolidation and cleanup of directory services, including the hybrid join path to Entra ID.

Virtualisation platforms

Platform review, capacity and lifecycle planning, and the migration options when a licensing renewal forces the question.

Build and configuration automation

Repeatable, versioned image builds so a server or workstation image is a pipeline artefact rather than a manual ritual.

Hybrid operating model

Deciding what stays, what moves and what retires — with the dependencies and the cost of each option made explicit.

When this comes up

Typical starting points

  • A virtualisation or support renewal is forcing a build-or-migrate decision
  • Server builds are manual, undocumented and slightly different every time
  • Active Directory carries a decade of objects nobody is willing to delete
  • The person who knew how it worked has left

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