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Azure Migration · Project Report

Veeam Microsoft 365 Migration & Cloud Re-Architecture

Migration of Veeam Backup for Microsoft 365 from a legacy subscription into a modern Azure-aligned architecture using Terraform and PowerShell.

Scope: M365 Backup Platform Status: Delivered Focus: Re-Architecture + Migration Method: IaC-Driven Build
AzureTerraformPowerShellVeeam M365IaCAutomation

Project Overview

The engagement moved Microsoft 365 backup services into a cleaner Azure-based design with modular networking, resource group structure, and deployment automation. The new architecture improved manageability and reduced the risk associated with ad hoc legacy configuration.

RebuildModern Azure platform foundation
MigrateM365 backup workloads with controlled cutover
AutomateTerraform + PowerShell provisioning model
OperateCleaner lifecycle for backup services

Key Workstreams

  • Provisioned Azure resource groups, networking, and subnet layout using reusable Terraform modules.
  • Migrated Exchange, SharePoint, and OneDrive backup services into the new environment.
  • Used PowerShell to support configuration, cutover, and post-migration validation tasks.

Visio-Style Migration Diagram

Veeam Microsoft 365 Migration and Azure Re-Architecture Legacy Platform Subscription Constraints Azure Build Layer Terraform Networking Resource Groups Subnet + Security Layout Migration Services Exchange SharePoint OneDrive Target State Managed Azure Backup
Figure 1 — Azure rebuild and workload migration flow for Microsoft 365 backup services

Outcome

  • Moved backup operations into a cleaner and more maintainable Azure architecture.
  • Used IaC to make future platform changes easier and safer to manage.
  • Completed workload migration with controlled transition and minimal disruption.