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Infrastructure

DTEK’s cloud transformation: migration to Exchange Online

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MODUS X facilitated the migration of 20,000 users from on-premises Exchange 2019 to Microsoft 365, maintaining legacy services locally for applications incompatible with the cloud. The migration provided access to enterprise-level services, significantly enhancing collaboration, document management, and communication.

Key challenges included:

  • Migrating up to 20,000 users within two months
  • Enabling secure and productive work from any device, anytime
  • Providing access to Microsoft 365 services like SharePoint, OneDrive, Exchange, Teams, Yammer, and Office apps

Implemented Solutions and Benefits:

  • Expanded Mailbox Sizes: Users gained up to 100GB storage with virtually unlimited archives
  • Enhanced Security: MFA and advanced monitoring ensured robust data protection, regardless of access points (office, home, or mobile devices)
  • Improved Collaboration: Tools like OneDrive, SharePoint, and Teams streamlined daily workflows and team coordination
  • High Availability: Increased SLA from 99.45% to 99.99%, supported by distributed data centers and third-party solutions like Druva for additional backup resilience
  • Modernized Communication Tools: Replaced outdated Microsoft Lync with Microsoft Teams, offering superior collaboration capabilities

Microsoft Teams Integration

Microsoft Teams, part of the Microsoft 365 suite, revolutionizes collaboration and communication by integrating:

  • High-quality meetings without connection interruptions
  • Document sharing, task management, and team coordination from a single platform
  • Seamless connections with Azure DevOps, SharePoint Online, and project management tools


Recognized as a leader in Gartner’s Magic Quadrant for "Meeting Solutions," Microsoft Teams exemplifies the best in modern collaboration technologies.


MODUS X continues to help companies unlock the full potential of Microsoft 365, enhancing communication, collaboration, and overall efficiency.

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