Quick Answer
The answer is that the device lacks a TPM chip, as BitLocker requires a Trusted Platform Module to perform pre-boot system integrity verification and securely store encryption keys. Without this hardware component, the encryption process cannot initiate, even if the Intune policy is correctly assigned and the device is otherwise compliant. On the Microsoft 365 Endpoint Administrator MD-102 exam, this scenario tests your understanding of BitLocker prerequisites and common deployment pitfalls—a frequent trap is assuming a misconfigured policy or non-compliant device is the root cause, when the real issue is missing hardware. Remember that TPM is a physical requirement, not a software setting; if you see a device not encrypting despite correct policy assignment, always check for TPM presence first. A simple memory tip: No TPM, no encryption—think of it as the lock that needs a key chip.
This MD-102 practice question tests your understanding of protect devices. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Your organization uses Microsoft Intune to manage Windows 10 devices. You need to enforce BitLocker encryption on all devices. Some devices are not encrypting. You check the BitLocker policy and it is assigned correctly. What is the most likely reason?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
The device is running Windows 10 Home edition.
Why wrong: Windows 10 Home does not support BitLocker, but this would be a policy requirement issue.
The device does not have a TPM chip.
TPM is required for BitLocker.
The BitLocker policy is not assigned to the users.
Why wrong: It is assigned correctly.
The device is non-compliant and encryption is blocked.
Why wrong: Device compliance is not mentioned.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The device does not have a TPM chip.
Option C is correct because BitLocker requires a TPM and if the device does not have one, encryption will not start. Option A is wrong because the policy is assigned correctly. Option B is wrong because the device is compliant. Option D is wrong because BitLocker does not require a specific Windows edition for basic encryption.
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.
The device is running Windows 10 Home edition.
Why it's wrong here
Windows 10 Home does not support BitLocker, but this would be a policy requirement issue.
The device does not have a TPM chip.
Why this is correct
TPM is required for BitLocker.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
The BitLocker policy is not assigned to the users.
Why it's wrong here
It is assigned correctly.
The device is non-compliant and encryption is blocked.
Why it's wrong here
Device compliance is not mentioned.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Identify which MD-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Protect devices — study guide chapter
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Protect devices practice questions
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FAQ
Protect devices — This question tests Protect devices — Read the scenario before looking for a memorised answer..
The correct answer is: The device does not have a TPM chip. — Option C is correct because BitLocker requires a TPM and if the device does not have one, encryption will not start. Option A is wrong because the policy is assigned correctly. Option B is wrong because the device is compliant. Option D is wrong because BitLocker does not require a specific Windows edition for basic encryption.
Identify which MD-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 21, 2026
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