MS-900 Practice Question: A company with 100 Microsoft 365 Business Premium…

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✗

  Upgrade all 100 users from Business Premium to Microsoft 365 E5

  Why it's wrong here

  Upgrading all 100 users from Microsoft 365 Business Premium to Microsoft 365 E5 replaces the entire base license with a far broader and more expensive suite. Business Premium already includes Office apps, email, Teams, and Defender for Business, so moving to E5 would add advanced compliance, analytics, and security features that are not needed for this requirement. This results in unnecessary per-user licensing costs and administrative overhead, whereas a targeted add-on can supply only the missing compliance capabilities.

• ✓

  Purchase Microsoft 365 E5 Compliance add-on for all 100 users

  Why this is correct

  Microsoft 365 E5 Compliance is an officially supported add-on that can be purchased on top of Microsoft 365 Business Premium to close specific compliance gaps. It provides eDiscovery (Premium), Communication Compliance, and other advanced compliance tools without requiring users to change their base license. This is the most cost-effective option because only the missing functionality is added, and assigning it to all 100 users exactly matches the stated business need.

• ✗

  Purchase Microsoft 365 E5 eDiscovery and Audit add-on

  Why it's wrong here

  There is no Microsoft 365 product named 'eDiscovery and Audit add-on.' eDiscovery (Premium) and Advanced Audit are both included within the Microsoft 365 E5 Compliance add-on, but they cannot be purchased separately under that name. Furthermore, a hypothetical eDiscovery-only SKU would still not cover the Communication Compliance requirement, so this option is both non-existent and functionally incomplete.

• ✗

  Purchase Microsoft 365 E5 Compliance and Information Protection add-on

  Why it's wrong here

  Microsoft 365 E5 Compliance and Information Protection is not an official add-on SKU; the correct product name is simply 'Microsoft 365 E5 Compliance.' While information protection and compliance capabilities are related, combining them into an invented title could lead to mis-provisioning and inaccurate license assignment. To satisfy the stated requirement, administrators should choose the legitimate add-on that contains eDiscovery (Premium) and Communication Compliance rather than a fictitious bundle.

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