MD-102 Manage and maintain devices Practice Question
You are troubleshooting a Windows 11 device that fails to install an Intune-managed update. The device has been offline for two weeks. After reconnecting, the update does not install. In the Intune console, the update shows 'Failed to install' with error code 0x800f0831. What is the most likely cause?
⚠ Common exam trap
Many exam-takers assume 'offline for two weeks' implies a connectivity issue (option A), but the specific error code 0x800f0831 points to a corrupted component store from missing prerequisites, not a network problem.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The device's Windows component store is corrupted due to missing prerequisites.
Error code 0x800f0831 indicates that the Windows component store (CBS) is corrupted because a required servicing stack or prerequisite update is missing. When a device has been offline for two weeks, it may lack the necessary baseline updates that the current update depends on, causing the installation to fail even after reconnecting to the network.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The device does not have internet connectivity.
Why it's wrong here
The device has already reconnected, so connectivity is restored; 0x800f0831 reflects a servicing-stack or prerequisite failure rather than a download problem. Lack of internet access is tempting because offline devices cannot fetch updates, and would be the cause if the device were still disconnected.
- ✓
The device's Windows component store is corrupted due to missing prerequisites.
Why this is correct
Error 0x800f0831 indicates a missing servicing-stack or prerequisite update, not a network fault. Two weeks offline left the component store without the required cumulative prerequisites, so servicing cannot stage the Intune update. Reconnecting alone does not repair it; DISM /RestoreHealth or installing the prerequisite servicing stack update is needed.
- ✗
The device does not have enough disk space.
Why it's wrong here
Error 0x800f0831 indicates a missing prerequisite or superseded update in the servicing stack, not insufficient storage; disk exhaustion surfaces as 0x80070070. Low disk space is tempting because it commonly blocks Windows updates, and would be the cause if free space fell below the update's requirement.
- ✗
The update is superseded and no longer applicable.
Why it's wrong here
Superseded updates would not show as 'Failed to install'.
Go deeper
Related to this question
Learn chapter
Implementing Windows Autopilot
Key term
Windows 11
Windows 11 is Microsoft's latest desktop operating system, offering a redesigned interface, enhanced security features, and improved support for modern hardware.
Key term
Intune
Microsoft Intune is a cloud-based service that helps organizations manage their users' devices and applications, ensuring security and compliance without needing to own or control the physical hardware.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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