2. Ben FletcherRonnie Altit Getting the rest of your Data into Office 365 – archive and offline import introduction and real world experiences PRD23 3

4. Agenda

8. Migration: Active vs Inactive Migration of Active Exchange Users Well documented and serviced by partner community What is left and how do we deal with it? Built in tools and third party tools Do it yourself FastTrack Center Partner

10. Inactive Exchange Data Exchange Import - PST Import PST Capture PST Network Import PST Drive Shipping

13. Import SharePoint Data SharePoint Import Manual import Use ODFB client Data import Drive Ship

16. Real World Experiences Manual vs automated migration 10 Key considerations Factors affecting speed Selecting the right tools Q&A

17. Manual vs Automated Migrations ConsiderationManualAutomated Compliance Chain of Custody - Difficult to provide audit trail - Many archive platforms do not maintain journal report data when manually exporting - No direct correlation of messages in the source platform and Office 365 - Users have access to manually exported data - Repeatable - Every process is automatically logged - Detailed reporting - Full Chain-of-custody - Full journal reconstruction

18. Manual vs Automated Migrations ConsiderationManualAutomated Infrastructure - Leverages current infrastructure - Will place significant load on servers - Struggles to do multi users at once - Lightweight - Can be throttled to manage usability issues

19. Manual vs Automated Migrations ConsiderationManualAutomated Project timelines - Significantly slower - No predictable timelines - Requires administrator to always be monitoring - Multithreaded approach allowing for up to 1000 mailboxes to be processed simultaneously. - Bulk migrations can be carried out non-stop at any time - Limited impact on infrastructure means it can be run 24x7

20. Manual vs Automated Migrations ConsiderationManualAutomated Troublesome data - Not built to deal with corrupt data - Full checkpoint capability - Any message that fails is logged for investigation - If the toolset encounters any troublesome data it will automatically move on Resourcing - need to have resources available to closely monitor the process - no ability to schedule exports - Requires only intermittent monitoring

21. Manual vs Automated Migrations ConsiderationManualAutomated Reporting - Minimal reporting - Message level reporting - Chain of Custody - Error reporting - Age profiling Shortcuts/stubs - No ability to move data to the same location as the stub - Shortcuts can be synced - Shortcuts can be deleted pre or post migration automatically

22. Manual vs Automated Migrations ConsiderationManualAutomated User experience - There will be a delay between when the users archive is exported and when they get access to it in Office 365 - Seamless user experience. - Migrations can be done in the background without users knowledge or impact PST files - PST known size instability issues - Native export tools struggle with sizing the PST - 1 Step migration - No intermediary storage required

23. Manual vs Automated Migrations ConsiderationManualAutomated Other - There needs to be capacity in the mail platform to allow for growth once the user has been disabled from archiving - Archiving can continue whilst the migration is running - Migration can run continuously in the background - When you are ready to cut over to Office 365 a delta pass can be performed

24. 10 Key Considerations 1. What are the business drivers and outcomes needed? 2. What data you NEED to move Subset of users? A journal? Only the recent ‘x’ years Regulatory and Compliance requirements

25. 10 Key Considerations (continued) 3. Which order should you do your migration? Exchange 2007 and below Hybrid 3rd party product 4. Is Chain of Custody required?

26. 10 Key Considerations (continued) 5. Archive Policy Management Running in Hybrid mode Exchange retention may move shortcuts to online archive 6. Internet Bandwidth Direct/Ship to disk

27. 10 Key Considerations (continued) 7. O365 Mailbox and Message Sizes Maximum number of messages per folder Maximum size of messages Number of attachments Size of mailboxes – license dependent 8. In-Place Hold\Journal Preserves mailbox content indefinitely No more journal support No support for enveloped messages Is a journal explosion needed

28. 10 Key Considerations (continued) 9. Departed Users Do they need to be migrated\how can this be achieved How to provide delegated access PST files 10. Existing archive platform shortcuts Synchronisation of location When to delete

29. Selecting the right toolset

30. Factors Effecting Speed Health of existing archive Infrastructure WAN connection Permissions & Delegated access Organisational factors Does speed matter?

31. Summary Decide on automated versus manual Cost both options if no business compelling requirement Beware of all of the Top 10 considerations Concern yourself less with technology and more with outcome Make sure your services vendor has experience suitable to your specific requirements. A track record is critical Remember: Archive migrations are complex. They can be made simple and deliver an outstanding user experience if they are planned and treated as a specialist skill.

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