C1st Office 365 Tenant Migration Assessment

Several businesses undergo mergers, acquisitions, divestitures, and other scenarios that necessitate migrating an existing Microsoft 365 tenant to a new tenant. C1st Technologies provides consulting services to facilitate seamless Office 365 tenant-to-tenant migrations.

Discovery Phase (Week 1-2)

• Source Office 365 tenant review and services usage
• Users, groups, and devices reports
• On-prem AD forest identities
• User attributes and domains
• Contacts and groups (source and destination tenant)
• Review on-prem LOB apps and authentication options
• End user devices migration options
• Microsoft Endpoint Manager
• Azure AD or Hybrid Azure AD join devices
• Intune configurations
• On-prem AD group policies
• Windows updates
• LOB applications and requirements
• User profile and home drives usage
• Exchange Online policies and configurations
• SMTP domains and mail flow usage
• User, shared, and resource mailboxes
• Office 365 inactive mailboxes
• Retention policies and retention data requirements
• Devices and applications using Office 365 SMTP service
• Transport rules, safe sender list (allowed domains and email addresses)
• Teams, SharePoint, and OneDrive
• Review Teams and data repositories for respective Teams sites
• Migration requirements for Teams
• Teams chat and channels conversations
• Teams sites data
• Guest access and sharing permissions
• Teams external access and allowed domains
• OneDrive data migration and permissions
• SharePoint sites and permissions model
• Review SharePoint sites and pages
• Data migration and requirements

Assessment and Planning (Week 3)

• Reports and data analysis
• Migration plan and coexistence
• End user impact and changes

C1st Technologies provides source and destination tenant assessments to estimate the cost for tenant-to-tenant migration based on Office 365 services usage and device management.