Error in VM console when booting Windows Server 2016 VM - "An operating system wasn't found"
Article ID: 432405
Updated On:
Products
VMware vSphere ESXi
Issue/Introduction
When powering on a Windows Server 2016 VM, the guest OS does not load - instead this error is displayed almost immediately after power on -
An operating system wasn't found. Try disconnecting any drives that don't contain an operating system.
Press Ctrl+Alt+Del to restart
A reboot of the VM does not resolve the issue.
Environment
VCF 5.2.0.0
Cause
There is an issue with either the GUID Partition Table (GPT) or the Master Boot Record (MBR) (depending on what the disk is set to) in the guest OS.
Resolution
Implement the resolution offered here in the guest OS vendor article -
Feedback
Yes
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