Enterprise Migration Checklist
Toolkit Asset
Reduce migration risk with discovery, pilot, cutover and hypercare control
This checklist standardizes validation for Microsoft 365 transformation, tenant-to-tenant migration, Exchange Online migration, SharePoint migration and cloud modernization.
DiscoverDesignCutoverHypercare
Migration ControlContinuity-first
Executive Summary
This checklist provides a standardized migration validation framework for Microsoft 365 transformation, tenant-to-tenant migration, Exchange Online migration, SharePoint migration and cloud modernization projects.
The objective is to reduce migration risk while ensuring business continuity and user productivity.
Migration Lifecycle
Migration LifecycleDiscovery to stabilized handover
01DiscoveryScope, inventory, stakeholders, timelines and business success criteria.
02AssessmentRisk, dependency, readiness, identity and workload complexity.
03DesignTarget architecture, migration method, wave plan and rollback path.
04PilotValidation, issue log, user feedback and operational learning.
05MigrationWaves, cutover, communication, rollback and reconciliation.
06HypercareSupport, stabilization, handover and lessons learned.
Discovery Checklist
Business
- Business objectives documented
- Executive sponsor identified
- Stakeholders identified
- Timeline confirmed
- Budget confirmed
- Success criteria documented
Technical
- Current environment documented
- Tenant inventory completed
- Domain inventory completed
- User inventory completed
- Application inventory completed
- Security inventory completed
Assessment Checklist
Identity
- Entra ID reviewed
- Active Directory reviewed
- Federation reviewed
- MFA reviewed
- Conditional Access reviewed
- Guest access reviewed
Messaging
- Mailbox inventory completed
- Shared mailbox inventory completed
- Distribution group inventory completed
- SMTP relay inventory completed
- Mail flow dependencies reviewed
Collaboration
- Teams inventory completed
- SharePoint inventory completed
- OneDrive inventory completed
- External sharing reviewed
- Permission model reviewed
Design Checklist
Target Architecture
- Identity architecture approved
- Security architecture approved
- Collaboration architecture approved
- Governance model approved
- Operational model approved
Migration Strategy
- Migration tool selected
- Pilot strategy approved
- Cutover strategy approved
- Rollback strategy approved
- Hypercare strategy approved
Domain Migration Checklist
- Domain inventory completed
- DNS dependencies identified
- Alias strategy reviewed
- SMTP strategy reviewed
- Domain transfer plan approved
- DNS cutover plan approved
Exchange Online Migration Checklist
- Pilot mailboxes migrated
- Shared mailboxes validated
- Mail flow validated
- Mobile devices validated
- Outlook profiles validated
- Mail permissions validated
SharePoint Migration Checklist
- Site inventory completed
- Permission review completed
- Metadata review completed
- Retention policy review completed
- Pilot migration completed
- User validation completed
OneDrive Migration Checklist
- Storage inventory completed
- Ownership validated
- Sharing links reviewed
- Sensitive data reviewed
- Pilot migration completed
- User acceptance completed
Teams Migration Checklist
- Team ownership validated
- Membership validated
- Guest access validated
- Channel access validated
- File access validated
- Meeting functionality validated
Security Validation Checklist
Identity Security
- MFA validated
- Conditional Access validated
- PIM validated
- Access reviews validated
Data Protection
- Sensitivity labels validated
- DLP validated
- Retention policies validated
- Compliance controls validated
Threat Protection
- Defender validated
- Security alerts validated
- Incident processes validated
Pilot Migration Checklist
- Pilot users selected
- Migration completed
- User feedback collected
- Issues documented
- Lessons learned documented
- Go-live approval received
Production Migration Checklist
Before Migration
- Communication completed
- Support team prepared
- Backup confirmed
- Rollback plan approved
During Migration
- Migration monitoring active
- Incident management active
- Escalation path active
After Migration
- User validation completed
- Executive validation completed
- Technical validation completed
- Hypercare initiated
Hypercare Checklist
- Support process active
- Ticket management active
- Executive support active
- Daily reporting active
- Knowledge transfer active
Project Closure Checklist
- Migration completed
- Deliverables accepted
- Documentation completed
- Knowledge transfer completed
- Lessons learned documented
- Project closure approved
Common Risks
| Risk | Mitigation |
|---|---|
| Incomplete discovery | Detailed assessment |
| Domain conflicts | Domain strategy review |
| Permission issues | Pilot validation |
| User resistance | Communication plan |
| Executive disruption | Dedicated migration wave |
| Application dependency issues | Dependency analysis |
Deliverables
Migration projects should produce:
- Discovery Report
- Assessment Report
- Target Architecture
- Migration Runbook
- Cutover Plan
- Hypercare Plan
- Final Project Report
References
- Microsoft Learn
- Microsoft Exchange Online Migration Guidance
- Microsoft SharePoint Migration Guidance
- Microsoft Entra Documentation
- Microsoft Cloud Adoption Framework
한국어 요약
Migration Checklist는 Exchange Online, Google Workspace, SharePoint, file server, tenant-to-tenant migration을 준비할 때 누락되기 쉬운 discovery, target design, pilot, cutover, rollback, hypercare 항목을 점검하기 위한 실무 체크리스트입니다.
성공적인 migration은 데이터 이동만으로 끝나지 않습니다. 사용자 커뮤니케이션, 보안 검증, batch planning, 관리자 인수인계, 운영 안정화까지 함께 준비해야 합니다.
검색 키워드
- Microsoft 365 migration checklist
- Exchange Online migration checklist
- SharePoint migration planning
- tenant migration runbook
- migration cutover checklist
- Microsoft 365 마이그레이션 체크리스트
- Exchange Online 전환 계획
Contact / Asset Request
For migration pre-assessment checklists, cutover runbooks, rollback plans, wave planning sheets or hypercare trackers, use Contact and Asset Request.