Messaging

Exchange Online & Hybrid Migration

Move Exchange Server to Exchange Online with senior engineers, controlled change windows, and a tested rollback plan. From hybrid coexistence to MX cutover and decommission.

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Migration scope

  • Discovery: mailboxes, DLs, shared/room/equipment, archives, journaling, PSTs
  • Hybrid configuration: HCW, OAuth, Autodiscover, free/busy, TLS
  • Mailbox migration batches with pilot validation
  • Mail-flow cutover: connectors, MX, SPF, DKIM, DMARC re-alignment
  • Public folder migration and Exchange Server decommission
  • End-user comms plan and Outlook profile remediation

Why CloudPair for Exchange migrations

We've migrated 40,000+ mailboxes for regulated financial-services and government enterprises with zero data loss and minimal user disruption. You work with senior Microsoft messaging engineers from day one — no junior handoff after kickoff.

Change windows

All cutover work happens during after-hours or weekend change windows, agreed up front and bounded by a documented rollback plan.

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