VMware Certified Professional - Data Center Virtualization (VCP-DCV) Practice Exam

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What should be verified if the installation of vCenter Server fails after deploying a vSphere Platform Services Controller?

Verify that the clocks on the host machines are synchronized.
Configure a valid Identity Source for the Platform Services Controller.
Ensure that there is no firewall blocking port 7444.
Uninstall and reinstall the Platform Services Controller software.

The correct answer is: Verify that the clocks on the host machines are synchronized.

Verifying that the clocks on the host machines are synchronized is essential for vCenter Server installation because time synchronization is critical in a distributed environment like vSphere. When the times on the various components—such as the vCenter, ESXi hosts, and the Platform Services Controller—are not in sync, it can lead to numerous issues, including authentication failures, problems with certificates, and discrepancies in task timing. In a vSphere environment, Active Directory and the underlying protocols rely heavily on time to ensure security and proper functioning. If there are significant time differences, it can result in authentication challenges and hinder the communication between the components of the vCenter Server and Platform Services Controller. Thus, ensuring time synchronization is a foundational requirement that must be confirmed if installation issues arise. While verifying firewall settings and identity sources is also relevant in troubleshooting vCenter installation issues, these concerns often stem from underlying problems like time synchronization. Therefore, clock synchronization emerges as a primary verification point when installation fails.