VCP-DCV vSphere Lifecycle Management Practice Question
A vSphere administrator manages a cluster of eight ESXi hosts with vSphere Lifecycle Manager. The cluster's desired image specifies a firmware add-on that must be applied to all hosts. During remediation, the administrator notices that the firmware update is not being applied to any host. The hosts are otherwise compliant with the ESXi base image and other components. What is the most likely reason for the firmware not being applied?
⚠ Common exam trap
The trap here is assuming that firmware updates are delivered as VIBs and thus part of the regular image compliance, rather than requiring a separate hardware support manager.
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 hardware support manager (HSM) is not configured or is unable to communicate with the firmware management interface.
Firmware updates in vLCM are applied via a hardware support manager, which communicates with the server's out-of-band management controller. If the HSM is not properly configured or lacks network connectivity, firmware updates will not occur even if the software components are compliant. This is a common oversight when setting up vLCM with firmware add-ons.
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 firmware add-on is included in the image but the hosts do not have the required vSphere Installation Bundles (VIBs) installed.
Why it's wrong here
Firmware add-ons are not delivered as VIBs; they are handled through the hardware support manager. The presence or absence of VIBs is relevant for software components, not firmware. Since the hosts are compliant with other components, missing VIBs would likely cause compliance failures for those components, not a silent omission of firmware updates. Hence, this is incorrect.
- ✗
The ESXi hosts are in maintenance mode, preventing firmware updates from being applied.
Why it's wrong here
Remediation, including firmware updates, is typically performed while hosts are in maintenance mode. Maintenance mode is a prerequisite for many remediation tasks, not a blocker. If hosts were not in maintenance mode, vLCM would either place them into maintenance mode automatically or fail with a specific error. Therefore, maintenance mode itself does not prevent firmware updates.
- ✓
The hardware support manager (HSM) is not configured or is unable to communicate with the firmware management interface.
Why this is correct
vLCM relies on a hardware support manager to apply firmware updates. If the HSM is not registered, is misconfigured, or cannot reach the out-of-band management interface (e.g., iDRAC, iLO), firmware updates will not be applied. The hosts may still be compliant with software components because those are handled by vLCM directly. Thus, the missing HSM configuration or connectivity is the most likely cause.
- ✗
The firmware add-on is not compatible with the current ESXi version and was skipped.
Why it's wrong here
If the firmware add-on were incompatible with the ESXi version, vLCM would flag the image as non-compliant or fail to validate the image during remediation. In this scenario, the hosts are compliant with the base image and other components, so incompatibility is not indicated. Moreover, an incompatible add-on would typically produce an explicit error, not a silent skip. Therefore, this is not the most likely reason.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official VMware exam blueprint
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