The Perl SDK has ceased to be maintained by VMware and will no longer be available for installation. If you have the SDK installed in your current environment, you can continue to use the VMware Wizard.

If you are migrating your XI server or installing a new XI instance,  You will need to go to Nagios XI 2024R1.1 to use the new vSphere Wizard.

This document describes how to use Nagios XI to monitor VMware ESX, ESXi, vSphere, and vCenter Server with the vSphere monitoring wizard. This document will show you how to set up your Nagios XI system to monitor virtual machines (VMs) deployed on these products –

https://answerhub.nagios.com/support/s/article/Monitoring-vSphere-95b1aa22