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

Tony Redmond Lead author for “Office 365 for IT Pros” eBook https://gum.co/O365IT/ MVP since 2004 Columnist for Petri.com https://www.petri.com/category/office/office-365

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)

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

Understand the New World Office 365 is a much broader landscape than email 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

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

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

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?

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

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

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 email and documents Encrypt only email replaces S/MIME

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 Email Compromise attacks on the increase Should you use an external MTA?

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

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

Embrace Change

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