2. BRK3277
Making the best of the cloud: How Exchange Online is different from Exchange on-premises
Tony Redmond
@12Knocksinna

3. Tony Redmond Lead author for “Office 365 for IT Pros” eBook
MVP since 2004
Columnist for Petri.com

4. What we’re talking about today
Big-picture discussion of the areas where Exchange on-premises administrators should spend their time after they move to the cloud (in 45 minutes or less)

5. Congratulations Your migration is over
You might or might not have a hybrid organization
You have no more patching or server management to do
Welcome to the wonderful world of cloud services

6. Understand the New World
Office 365 is a much broader landscape than
Massive scale, massive organization, massive network
Your last mile is the weakest connectivity link
Exchange Online shares a common infrastructure with Outlook.com
SharePoint is now your friend
You absolutely want to encourage OneDrive for Business
Teams is something to consider
Planner and the other applications add value
Azure Active Directory binds everything together

7. Control and Predictability
Things happen faster in the cloud
Microsoft 365 Roadmap
Message Center
Microsoft Technical Community
Twitter
Test tenants

8. Storage
An Exchange Online mailbox is a different beast to an on-premises mailbox
Larger (100 GB +)
Stores data for other apps
Expanding archives
SharePoint has storage too
1 TB of storage plus 500 GB per subscribed user

9. Backups How do you feel about Native Data Protection?
Are cloud backups worthwhile?
Should I backup my mailboxes to PSTs?
What about Teams and SharePoint and OneDrive and Planner?

10. Data Governance and Compliance
Always think service-wide rather than workload-specific
Retention
Classification
Content Searches
eDiscovery
Advanced eDiscovery
Data Loss Prevention
Auditing

11. PowerShell
Tremendously useful, and yes, you need to learn the power of the shell
Multiple endpoints
Multi-factor authentication support
Throttling
Not every application supports PowerShell
Use the Graph to access user data instead of Exchange Web Services

12. Security Enable all accounts with MFA: you pay for it, use it
Embrace the Office 365 and Azure Active Directory audit logs
Consider using Office 365 Cloud App Security or a third-party audit and reporting product
Use Azure Information Protection to secure important and documents
Encrypt only replaces S/MIME

13. Fighting Spam, Malware, and Phishing
Exchange Online includes Exchange Online Protection (EOP)
Advanced Threat Protection (ATP) also available
Sandboxed attachments (including SharePoint and OneDrive)
Safelinks
Business Compromise attacks on the increase
Should you use an external MTA?

14. Collaboration
’s going nowhere soon: it remains the predominant tool for business communications
Office 365 Groups versus distribution lists
Teams versus
Get off public folders (please)

15. Cloud Skills
Your job is safe: there is tons of work to do to make an Office 365 tenant fly
Ideal tenant administrator:
Strong knowledge of one basic workload
Broad awareness of new Office 365 apps
Good knowledge of Azure Active Directory
Hybrid connectivity
PowerShell (at least basic scripting)
Automation tools: Flow and PowerApps
Enterprise Mobility and Security

16. Embrace Change

17. Thanks
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