Customer Success Stories

Challenge

A regional financial institution needed to merge two SharePoint tenants following a major acquisition. The migration involved 6.5 TB of highly sensitive financial data, 850 user mailboxes, and strict compliance requirements including SOC 2, FINRA, and GDPR.

Key challenges included:

• Zero tolerance for data loss or security breaches
• Complex permission structures across 75 SharePoint sites
• Minimal downtime requirement (less than 4 hours)
• Regulatory compliance and audit trail requirements
• Integration with existing identity management systems

Solution

MigroStack implemented a phased migration approach using delta sync technology to ensure zero downtime. The solution included:

• Pre-migration validation: Automated scanning identified and resolved 180+ potential issues before migration
• Intelligent user mapping: AI-powered matching automatically mapped 98% of users between tenants
• Incremental migration: Delta sync kept data synchronized while users continued working
• Security compliance: Bank-level AES-256 encryption with complete audit logs
• Dedicated support: 24/7 migration engineer on standby throughout the project

Results

The migration was completed 2 days ahead of schedule with exceptional results:

• ✓ 6.5 TB of data migrated in 36 hours
• ✓ 99.8% success rate (only 18 items required manual intervention)
• ✓ Zero security incidents or data breaches
• ✓ $85K saved compared to competitor quotes
• ✓ 100% compliance with regulatory requirements
• ✓ All 850 users productive on day one

Challenge

A multi-location healthcare provider needed to migrate from on-premises SharePoint 2016 to SharePoint Online while maintaining HIPAA compliance and ensuring zero downtime for critical patient care systems.

Critical requirements:

• Migration of 3.2 TB of protected health information (PHI)
• HIPAA Business Associate Agreement (BAA) required
• 24/7 availability for emergency department access
• Migration from 8 different locations with varying network speeds
• Integration with existing Epic EMR system

Solution

MigroStack deployed remote agents at all 8 locations with HIPAA-compliant encryption:

• Remote agents: Installed at each location to optimize bandwidth usage and ensure security
• Encryption: End-to-end encryption for all PHI during transfer
• Delta sync: Continuous synchronization to eliminate downtime
• Compliance: Executed HIPAA BAA and maintained complete audit logs
• Validation: Automated integrity checks for all patient records

Results

• ✓ 3.2 TB of PHI migrated securely in 48 hours
• ✓ Zero downtime for clinical operations
• ✓ 100% HIPAA compliance maintained throughout
• ✓ All 8 locations successfully migrated
• ✓ Complete audit trail for regulatory review
• ✓ $42K annual savings on infrastructure costs

Challenge

Fast-growing SaaS startup needed to migrate from Google Workspace to Microsoft 365 after being acquired by a larger enterprise organization. The migration had to happen quickly during a weekend window.

Key requirements:

• Migrate Gmail to Exchange Online for 125 users
• Transfer Google Drive to OneDrive and SharePoint
• Maintain access to Slack until Teams migration complete
• Complete migration in 48-hour window
• Minimal business disruption (startup operates 24/7)

Solution

MigroStack executed a rapid weekend migration with parallel processing:

• Parallel migration: Simultaneous Gmail and Google Drive migrations
• Auto user mapping: Intelligent mapping based on email addresses
• Label conversion: Gmail labels automatically converted to Outlook folders
• Pre-configured Outlook: All users had Outlook pre-configured for Monday morning
• Training materials: Custom guides for Microsoft 365 transition

Results

• ✓ Complete migration finished in 18 hours (62% faster than planned)
• ✓ All 125 users productive Monday morning
• ✓ 89% cost savings vs MigrationWiz quote
• ✓ Zero data loss across 580 GB of content
• ✓ 97% user satisfaction score
• ✓ Seamless integration with parent company systems

Challenge

Regional manufacturer needed to migrate decades of engineering files and CAD drawings from aging on-premises file servers to SharePoint Online across 6 facilities with varying network infrastructure.

Complex requirements:

• 9.8 TB of legacy files dating back to 1998
• 18 different file servers across 6 manufacturing locations
• Limited WAN bandwidth at some facilities
• Preservation of complex NTFS permissions
• Large CAD files (some over 3 GB)
• 24/7 manufacturing operations requiring constant file access

Solution

MigroStack deployed 18 remote agents across all facilities with intelligent bandwidth management:

• 18 remote agents: Multiple agents per location for optimal performance
• Bandwidth throttling: Automatic adjustment based on business hours
• Large file handling: Special chunking for CAD files over 1 GB
• Permission mapping: NTFS ACLs mapped to SharePoint permissions
• Staged migration: Location-by-location rollout over 7 days
• Dedicated support: 24/7 support throughout migration

Results

• ✓ 9.8 TB successfully migrated from 18 file servers
• ✓ 99.7% success rate across all locations
• ✓ Zero production downtime
• ✓ All NTFS permissions preserved
• ✓ $68K annual savings on file server maintenance
• ✓ Improved collaboration between facilities
• ✓ CAD files accessible from anywhere via OneDrive sync