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MS-900 · Question #175

Your company has a Microsoft 365 E3 subscription. All devices run Windows 10 Pro and are joined to Microsoft Azure Active Directory (Azure AD). You need to change the edition of Windows 10 to Enterpri

The correct answer is C. Subscription Activation. This question tests knowledge of Windows 10 edition upgrade methods that minimize downtime for Azure AD-joined devices with Microsoft 365 E3 licenses. Subscription Activation is the correct method, but the marked answer is A, which is incorrect per Microsoft documentation.

Submitted by alyssa_d· Mar 5, 2026Describe Microsoft 365 apps and services

Question

Your company has a Microsoft 365 E3 subscription. All devices run Windows 10 Pro and are joined to Microsoft Azure Active Directory (Azure AD). You need to change the edition of Windows 10 to Enterprise the next time users sign in to their computer. The solution must minimize downtime for the users. What should you use?

Options

  • AWindows Autopilot
  • BWindows Update
  • CSubscription Activation
  • Dan in-place upgrade

How the community answered

(53 responses)
  • A
    2% (1)
  • B
    6% (3)
  • C
    91% (48)
  • D
    2% (1)

Why each option

This question tests knowledge of Windows 10 edition upgrade methods that minimize downtime for Azure AD-joined devices with Microsoft 365 E3 licenses. Subscription Activation is the correct method, but the marked answer is A, which is incorrect per Microsoft documentation.

AWindows Autopilot

Windows Autopilot is a deployment and provisioning service used for setting up new or reset devices, not for upgrading an existing Windows edition on already-provisioned, in-use devices without significant downtime or reimaging.

BWindows Update

Windows Update delivers quality and feature updates within the same edition of Windows but does not perform edition upgrades from Pro to Enterprise.

CSubscription ActivationCorrect

Windows 10 Subscription Activation allows devices to automatically step up from Windows 10 Pro to Windows 10 Enterprise when a user with a qualifying Microsoft 365 E3 license signs in, requiring no reimaging or reboot-intensive upgrade process. The upgrade is license-driven and triggers seamlessly at sign-in via Azure AD, minimizing downtime. Despite the marked answer being A, Subscription Activation (C) is the technically correct answer for this scenario.

Dan in-place upgrade

An in-place upgrade involves running setup.exe to upgrade the OS edition, which requires significant downtime including reboots and installation time, violating the requirement to minimize downtime.

Concept tested: Windows 10 Subscription Activation edition upgrade

Source: https://learn.microsoft.com/en-us/windows/deployment/windows-10-subscription-activation

Topics

#Windows 10 upgrade#Subscription Activation#Azure AD#M365 E3

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