Quick Answer
The correct prerequisite is that devices must have line-of-sight to an on-premises domain controller. This is required because in a hybrid Azure AD join scenario, Windows Autopilot must complete the domain join during the out-of-box experience, and the device cannot join the on-premises Active Directory domain without directly contacting a domain controller over the network. On the Microsoft 365 Endpoint Administrator MD-102 exam, this concept tests your understanding of how Autopilot differs for hybrid vs. cloud-native join—many candidates mistakenly assume a VPN or internet-only connectivity suffices, but the domain join step demands direct network access to a DC. A common trap is thinking Azure AD Connect alone handles the join; in reality, the device itself must initiate the domain join. Remember the memory tip: “No DC line-of-sight, no hybrid join tonight.”
This MD-102 practice question tests your understanding of prepare infrastructure for devices. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are evaluating Windows Autopilot for a hybrid Azure AD join scenario. Devices are domain-joined on-premises and will be hybrid Azure AD joined. Which prerequisite is required for Autopilot to perform hybrid Azure AD join?
Devices must have line-of-sight to an on-premises domain controller.
Required to join the domain during Autopilot.
Devices must have VPN connectivity to Azure.
Why wrong: Not required.
An Intune connector for Active Directory must be installed.
Why wrong: This connector is for device enrollment, not hybrid join.
Azure AD Connect must be configured with password hash sync.
Why wrong: Not a prerequisite for Autopilot hybrid join.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Devices must have line-of-sight to an on-premises domain controller.
For hybrid Azure AD join via Windows Autopilot, the device must complete domain join during the out-of-box experience. This requires line-of-sight to an on-premises domain controller so that the domain join operation can succeed, as the device cannot join the domain without contacting a DC directly over the network.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Devices must have line-of-sight to an on-premises domain controller.
Why this is correct
Required to join the domain during Autopilot.
Related concept
Read the scenario before looking for a memorised answer.
Devices must have VPN connectivity to Azure.
Why it's wrong here
Not required.
An Intune connector for Active Directory must be installed.
Why it's wrong here
This connector is for device enrollment, not hybrid join.
Azure AD Connect must be configured with password hash sync.
Why it's wrong here
Not a prerequisite for Autopilot hybrid join.
Common exam traps
The trap here is that candidates often confuse the Intune connector for Active Directory (which is needed for device writeback in hybrid scenarios) with the actual domain join requirement, but the connector does not replace the need for direct line-of-sight to a domain controller.
Detailed technical explanation
During Autopilot for hybrid Azure AD join, the device first joins the on-premises domain using a domain join profile, which requires direct network access to a domain controller (typically via line-of-sight). After domain join, the device registers with Azure AD via the Azure AD Connect sync, which handles the hybrid join state. If the device lacks line-of-sight, the domain join fails, and the entire Autopilot process halts, even if all other prerequisites are met.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
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FAQ
Prepare infrastructure for devices — This question tests Prepare infrastructure for devices — Read the scenario before looking for a memorised answer..
The correct answer is: Devices must have line-of-sight to an on-premises domain controller. — For hybrid Azure AD join via Windows Autopilot, the device must complete domain join during the out-of-box experience. This requires line-of-sight to an on-premises domain controller so that the domain join operation can succeed, as the device cannot join the domain without contacting a DC directly over the network.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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