Setting up Microsoft 365 from scratch

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Setting up Microsoft 365 from scratch

The setup order for a brand-new Microsoft 365 tenant — tenant, domain, identity, security baseline, then data and clients. Sequence matters more than speed.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/setting-up-microsoft-365-from-scratch

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What is the first thing to configure in a new Microsoft 365 tenant?

Identity and admin security: create break-glass accounts, require MFA (security defaults or Conditional Access), separate admin accounts from daily accounts, and set up a custom domain with SPF, DKIM, and DMARC before a…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/setting-up-microsoft-365-from-scratch

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How long does a Microsoft 365 setup take?

A small organisation with a clean start can be live in a day; a migration from on-premises Exchange or Google Workspace with devices and security baselines is typically four to twelve weeks. The tenant configuration is…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/setting-up-microsoft-365-from-scratch

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Should I use security defaults or Conditional Access in a new tenant?

Security defaults if you have no P1 licences (Business Basic/Standard): free MFA for all and legacy auth blocked. Conditional Access if you have Business Premium or E3/E5: it does the same with exclusions, report-only t…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/setting-up-microsoft-365-from-scratch

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