VCP-DCV vSphere Lifecycle Management Practice Question
A company is upgrading vCenter Server from 7.0 U3 to 8.0 U2. The environment includes a distributed switch with multiple port groups, a vSAN cluster, and VUM (now vLCM). During the pre-upgrade checks, vCenter reports that the upgrade cannot proceed because the 'vSphere Authentication Proxy' service is not compatible. The administrator verifies that the service is running and set to automatic. What is the most likely cause?
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 vSphere Authentication Proxy service version is not compatible with vCenter 8.0; it must be upgraded separately.
The pre-upgrade check fails because the vSphere Authentication Proxy service installed on the source vCenter Server 7.0 U3 is not compatible with vCenter 8.0. In vCenter 8.0, this service is not included and must be deployed as a separate appliance if needed. Therefore, the upgrade cannot proceed until the service is removed or upgraded separately. Option A is incorrect because the ESXi host version is not the direct cause of this specific check. Option B is incorrect because network access is not the issue; the check specifically targets the Authentication Proxy service. Option C is incorrect because the administrator verified the service is running and set to automatic, so it is not disabled. Option D is correct because the service version is incompatible with vCenter 8.0.
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 ESXi hosts are running an unsupported version of ESXi 7.0.
Why it's wrong here
ESXi 7.0 hosts are supported to be managed by vCenter 8.0.
- ✗
The upgrade installer did not have network access to the ESXi hosts.
Why it's wrong here
Network access is checked separately; the error specifically mentions the Authentication Proxy service.
- ✗
The vSphere Authentication Proxy service is disabled on the source vCenter Server.
Why it's wrong here
The service is running and set to automatic, so not disabled.
- ✓
The vSphere Authentication Proxy service version is not compatible with vCenter 8.0; it must be upgraded separately.
Why this is correct
vSphere Authentication Proxy requires its own upgrade path when moving to 8.0.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This VCP-DCV practice question is part of Courseiva's free VMware certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the VCP-DCV exam.