1. Information Technology Services
Faculty & Staff Migration to Office 365 Technical Overview: Exchange Mailbox Migration Process August 31st, 2017
Presenter:
Ian Thomas

2. Technical Migration – In Context
Advisory & Consulting
CommunicationAwareness Outreach
HQ and Governance
Everyday Support
Technical Management
Migration Management
Technical migration – the elements of the configuration, migration tools, that create the environment for faculty and staff, and perform the migrations to the cloud
Advisory and Consulting – Establishing the structures for community involvement in the implementation and use of Office 365; input on utility of services; input and feedback mechanism; working groups for Office 365 components – distributed leadership
Communication, Awareness, Outreach – Assuring that there is top-of-mind messaging about the implementation, and more importantly the tools available for communication and collaboration; Program Web site, discovery tours
HQ and Governance – The daily operations centre for monitoring the system health, co-ordinating UofT and the development roadmap; service messaging; compliance events; Approving recommendations and making decisions about the service – e.g., turning on a tool, giving access to retired faculty…
Everyday Support – Support tiers, use cases, documentation and training materials, escalation
Technical Management -- Defining, managing, and supporting the components of the configuration – the hybrid setup, authentication pieces, encryption tools, reacting to changes in the office 365 environment
Migration Management – including project management of implementations, scheduling, preparing the target units, staging migrations, pre- and post-migration support

3. Office 365 Migration – What is Office 365?
UofT
UTORexchange
File Servers
SharePoint

4. Office 365 Migration – End User Impact
Changes at the desktop/device
Access to Office 365 Services
Mailbox Consolidation
Credential Change
Microsoft Office 2016

5. Office 365 Migration – End User Impact
Changes at the desktop/device
Access to Office 365 Services

6. Office 365 Migration – End User Impact
Changes at the desktop/device
Mailbox Consolidation @ ? @
Mailbox
Primary SMTP Address @

7. Office 365 Migration – End User Impact
Changes at the desktop/device
Credential Change
Current Exchange credentials will not work with the cloud
NetBIOS – e.g. utorarbor\thomasia

8. Office 365 Migration – End User Impact
Changes at the desktop/device
Credential Change
Current Exchange credentials will not work with the cloud
NetBIOS – e.g. utorarbor\thomasia
New credentials required
Primary Address/UTORid Password
WebLogin (for clients that support Modern Auth)

9. Office 365 Migration – End User Impact
Changes at the desktop/device
Upgrade to Microsoft Office 2016
At the Office
At Home
On Mobile

10. Office 365 Migration – End User Impact
Changes at the desktop/device
Upgrade to Microsoft Office 2016
At the Office
At Home
On Mobile
Office Pro Plus

11. Office 365 Migration – Email Migration
Phase 1 - UTORexchange Mailbox Migration
~19,000 UTORexchange mailboxes
~1,200 Medicine mailboxes
Phase 2 – UTORmail migration
Phase 3 – Decommission Legacy Environments

12. Office 365 Migration – Email Migration
Phase 1 - UTORexchange Mailbox Migration
~19,000 UTORexchange mailboxes
~1,200 Medicine mailboxes
Phase 2 – UTORmail migration
Phase 3 – Decommission Legacy Environments

13. Office 365 Migration – Current Environment
UTORmail (IMAP)
(~45,000 mailboxes)
@utoronto.ca
UTORmail
UTORad
Enterprise AD
One Way AD Trust
Azure AD
Connect
Medicine
UTORarbor
ADFS
500,000
faculty/staff/students/alumni
UTORexchange
UTORexchange
(~19,000 mailboxes)
@utoronto.ca
Medicine Exchange
(~1,200 mailboxes)
@utoronto.ca
Medicine Exchange
1,200
faculty/staff
40,000
faculty/staff
Federated
UTmail+
(230,000 students/alumni)
@alum.utoronto.ca
UTmail+
Exchange
Clients

14. Office 365 Migration – Project Phases
UTORmail
UTORad
EAD UTORexchange
Phase 2
Enterprise AD
One Way AD Trust
Phase 3
Azure AD
Connect
Medicine
UTORarbor
ADFS
Phase 2
UTORexchange
Medicine Exchange
Federated
Phase 1
Phase 1
UTmail+
Exchange
Clients

15. Office 365 Migration – Migration Tools
Exchange Hybrid Migration (Oxford Plan)
Priasoft Migration Suite for O365
Dell/Quest Migration Manager for Exchange (MMEX)
Code Two Exchange Migration Suite

16. Office 365 Migration – MMEX
Mailbox/Calendar/Public Folder Migration Tool
Maintains co-existence via synchronization and attribute manipulation
Dell-EMC/Quest

17. Office 365 Migration – MMEX Install/Config
UTORmail
UTORad
EAD UTORexchange
Enterprise AD
One Way AD Trust
Azure AD
Connect
MMEX
Medicine
UTORarbor
MMAD
ADFS
UTORexchange
Medicine Exchange
@exchange.utoronto.ca
@utoronto.onmicrosoft.com
@O365migrated.ad.utoronto.ca
Federated
Exchange Federation
(Free Busy)
@exchange.utoronto.ca
1. Install Migration Manager for Exchange (MMEX)
2. Install Migration Manager for AD (MMAD)
3. Establish Federation for free/busy between UTORarbor/Medicine and Office 365
4. Establish mail flow between UTORexchange/Medicine and Office 365 for
Exchange
Clients
UTmail+
@o365migrated.ad.utoronto.ca,
utoronto.onmicrosoft.com

18. Office 365 Migration – Considerations
UTORarbor
Delegation
Calendaring
Free/Busy Lookup

19. Office 365 Migration – Considerations
UTORarbor
1. Primary SMTP Addresses
2. Dependencies
Multi-Role
@utoronto.ca
@alum.utoronto.ca
@utoronto.ca
@alum.utoronto.ca
Single Role
Delegate
@utoronto.ca
@mail.utoronto.ca
@utoronto.ca
@mail.utoronto.ca
@utoronto.ca
Full Access
Read

20. Office 365 Migration – Engage Department
Internal Audit

21. Office 365 Migration – Engage Department

22. Office 365 Migration – Single Role Pre-stage
Enterprise AD
UTORarbor
Azure AD
Connect
One Way Trust
ADFS
@exchange.utoronto.ca
Federated
MMEX Mailbox Sync
1. MMEX creates un-federated O365 User account
2. MMEX synchronizes mailbox content (ongoing)
@utoronto.onmicrosoft.com

23. Office 365 Migration – Single Role Cutover
Enterprise AD
UTORarbor
Azure AD
Connect
One Way Trust
ADFS
O365 Enabled
@exchange.utoronto.ca
Contact
Federated
Final Mailbox Sync
Forwarder removed from O365 mailbox
Forwarder established on on-prem mailbox
@utoronto.ca address removed from on-prem mailbox
Contact created on-prem address with forwarding address
MMEX Final Mailbox Sync
@utoronto.ca address assigned to EAD account, Primary SMTP/UPN set, EAD account enabled for O365
Azure AD Connect Links EAD account with O365 account
EAD account Linked to O365 account by Azure AD connect
@utoronto.onmicrosoft.com

24. Office 365 Migration – Multi-Role Pre-stage
Enterprise AD
UTORarbor
Azure AD
Connect
One Way Trust
ADFS
O365 Enabled
@exchange.utoronto.ca
@utoronto.ca
Federated
MMEX Mailbox Sync
@utoronto.onmicrosoft.com
1. MMEX creates un-federated O365 User account
2. MMEX synchronizes mailbox content (ongoing)
@o365migrated.ad.utoronto.ca

25. Office 365 Migration – Multi-Role Cutover
Enterprise AD
UTORarbor
Azure AD
Connect
One Way Trust
ADFS
O365 Enabled
@mail.utoronto.ca
O365 Enabled
@exchange.utoronto.ca
Contact
@utoronto.ca
Mailbox contents
Merged into pre-existing
@utoronto.ca
Federated
Final Mailbox Sync
Forwarder removed from O365 mailbox
Forwarder established on on-prem mailbox
@utoronto.ca address removed from on-prem mailbox
Contact created on-prem address with forwarding address
MMEX Final Mailbox Sync
@utoronto.ca address assigned to EAD account, Primary SMTP/UPN set
EAD account changes propagated to O365 account
Merge from staging mailbox into production mailbox
Temporary staging account/mailbox removed
@O365migrated.ad.utoronto.ca

26. Office 365 Migration – At the Desktop
Desktop migration tool creates new Outlook profile pointing at O365 mailbox, migrates old profile settings
Settings Copied
UTORexchange
Profile
Office 365
Profile

27. Office 365 Migration – At the Desktop
Desktop migration tool creates new Outlook profile pointing at O365 mailbox, migrates old profile settings
User starts Outlook and is prompted for authentication
primary address and UTORid password or
WebLogin (if enabled for Modern Authentication)
Settings Copied
UTORexchange
Profile
Office 365
Profile

28. Office 365 Migration – On Mobile
Depending on device, credential change or profile re- creation will be required
Profile creation experience will be much improved over current UTORexchange experience

29. Office 365 Migration – On Mobile
Current UTORexchange experience on iOS

30. Office 365 Migration – On Mobile
New UTmail+ experience on iOS

31. Office 365 Migration – On The Web
{Demo}

32. Enterprise AD – Other Topics/Questions