File Services Modernization and Microsoft 365 Migration

Challenge

The organization relied on an on-premises Windows file share server for business-critical file storage. As collaboration needs evolved, the existing file share model created limitations around accessibility, manageability, and modernization. The environment also required continued identity synchronization between on-premises directory services and Microsoft 365. Azure AD Connect needed to be moved from the existing synchronization server to a newer Windows Server instance. The project required careful coordination to preserve access, maintain synchronization continuity, restructure file organization where needed, and support users through the migration.

Approach

Safari Micro delivered a coordinated modernization approach across three workstreams. For server modernization, the existing physical Windows file share server was converted into a Hyper-V virtual machine using Disk2VHD — system, reserved, and data partitions were converted to VHDX format, moved to Hyper-V hosts, and the new virtual server was created with migrated data disks attached. For the SharePoint Online migration, Safari Micro prepared migration tooling, created destination SharePoint sites and document libraries, mapped permissions from the on-premises file storage environment to SharePoint Online, synchronized files, and completed the cutover — also assisting with file share hierarchy restructuring, permissions restructuring, documentation, training, and post-migration end-user support. For the Azure AD Connect migration, a new Azure AD Connect instance was deployed in staging mode, the existing sync configuration was exported from the current sync client, the new agent was configured, and synchronization was transitioned by placing the previous sync client into staging mode and enabling the new agent for active synchronization.

Results

• Physical Windows file share server converted into a Hyper-V virtual machine, reducing dependency on physical hardware
• File share content migrated into SharePoint Online with permissions mapped and restructured for the new collaboration model
• File share hierarchy restructured and users trained and supported through the transition
• Azure AD Connect migrated to a newer Windows Server instance with synchronization continuity maintained throughout
• Organization moved from a legacy physical file share model toward a modern Microsoft 365 collaboration environment
• Reduced reliance on physical infrastructure, improved collaboration through SharePoint Online, and better alignment with Microsoft 365