If you build Windows Server 2025 or Windows 11 templates and deploy them with guest customization, this one is worth five minutes of your time. It can turn a routine VM deployment into a black screen at login, and it hits Nutanix AHV and VMware vSphere alike. I ran into it after deploying a fresh Windows Server 2025 VM …
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If you have ever cloned a Windows VM on Nutanix and watched five identical machines come up with the same hostname, the same SID, and a domain join you have to redo by hand, you already know why guest customization matters. For years my workflow involved hand-rolling an unattend XML file for each new template, version …
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Deploying Windows VMs on Nutanix AHV requires VirtIO drivers that aren't included in the standard Windows installation media. This means manually loading drivers during setup or mounting driver ISOs after installation. I've built a PowerShell tool that simplifies this process by injecting the VirtIO drivers directly …
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