Auto-Register and Enroll Existing Domain PCs
Your network contains an Active Directory domain. The domain contains 2,000 computers that run Windows 10. You implement hybrid Azure AD and Microsoft Intune. You need to automatically register all the existing computers to Azure AD and enroll the computers in Intune. The solution must minimize administrative effort. What should you use?
Community Insight
The question tests choosing the lowest-touch bulk enrollment method for already-deployed domain computers; the trap is picking Windows Autopilot (D) because it sounds automated, when Autopilot is an out-of-box/reset-based path and does not silently convert existing production machines.
This MD-102 scenario asks how to bulk-register 2,000 existing Windows 10 domain-joined computers to Microsoft Entra ID (hybrid Azure AD join) and enroll them in Intune with the least administrative effort. The Microsoft-documented answer is a Group Policy object, which targets the computer objects already in Active Directory and triggers both registration and MDM enrollment at next user sign-in.
Option D (Windows Autopilot deployment profile) is the most tempting wrong pick because Autopilot sounds like the 'zero-touch' choice, but Autopilot applies to device provisioning during OOBE or a full reset — it would wipe 2,000 in-service computers, which is the opposite of minimal effort.
Community Discussion (27 comments)
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Expert Analysis
Why the Answer Is Correct
A Group Policy object (B) is Microsoft's documented method for enrolling existing Windows 10 domain devices automatically: once the GPO is linked to the OU holding the computers, the devices perform hybrid Microsoft Entra ID registration and Intune MDM enrollment the next time a user signs in with Entra ID credentials. Because the objects already exist in Active Directory, no per-device touch, reset, or reimage is required — one GPO covers all 2,000 machines, which is exactly the "minimize administrative effort" requirement. The Microsoft Learn article "Enroll a Windows 10 device automatically using Group Policy" is the authoritative source for this workflow, and the related prerequisites (SCP configuration via Microsoft Entra Connect) are infrastructure prep, not the enrollment mechanism the question asks you to choose.Why the Other Options Are Wrong
Option A and C both describe Autodiscover artifacts — an Autodiscover address record is a DNS record used by Outlook to find Exchange Online/Exchange Server settings, and the Autodiscover service connection point is an Exchange object in Active Directory; neither registers devices with Entra ID nor enrolls them in Intune. Option D, a Windows Autopilot deployment profile, is designed for provisioning new or reset devices through the out-of-box experience; applying it to 2,000 production Windows 10 computers would require reconfiguring or wiping them, which dramatically increases rather than minimizes effort. Note the distinction that trips people up: the hybrid join SCP is configured with Microsoft Entra Connect, but it is not an "Autodiscover SCP," so option C is a distractor built on that confusion.Community Comment Notes
Fortind1974 gave B and linked the official Learn page "enroll-a-windows-10-device-automatically-using-group-policy," which is the direct authority for this scenario. Krayzr explained that once the GPO applies, "computers will automatically register with Azure AD and enroll in Intune when users sign in with their Azure AD credentials." oopspruu added that "the GPO policy can hybrid join existing devices to Intune without resetting," while h38jhd38k argued that Autopilot would be least effort but acknowledged it "would reset the devices." MR_Eliot wrote "Correct answer is C. Key is lease administrative effort!!!" — but the SCP he references is only the hybrid-join prerequisite configured through Entra Connect, not the enrollment mechanism, and option C explicitly says Autodiscover SCP, which is Exchange.Official Reference
Exam Strategy
When a question asks for the lowest-effort way to affect already-deployed machines, favor a centrally linked policy (GPO, Intune configuration profile) over any option that implies resetting, reimagining, or touching each device. Read option wording literally — 'Autodiscover SCP' is an Exchange construct, not the Entra Connect hybrid join SCP.
Frequently Asked Questions
Why is a Windows Autopilot deployment profile not the lowest-effort option here?
Autopilot profiles drive the out-of-box experience or a full device reset, so applying one to 2,000 in-service Windows 10 PCs would require wiping them. A GPO enrolls the machines in place at next sign-in.
Isn't the service connection point (SCP) what registers devices for hybrid join?
The hybrid join SCP is configured through Microsoft Entra Connect, but the option listed here is an Autodiscover SCP, which is an Exchange object. The SCP is a prerequisite, while the GPO is the bulk enrollment mechanism for existing computers.
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