Microsoft fixed a known issue causing blue screens and boot failures in Windows Server 2022 virtual machines (VMs) deployed on VMware ESXi hosts.
Windows admins first reported experiencing VM start issues [1, 2, 3, 4, 5] after deploying last month’s KB5031364 cumulative update.
The company confirmed the issue days later, saying it only affects guest VMs on VMware ESXi hosts with an AMD Epyc physical processor, the “Expose IOMMU to guest OS” VMware option toggled on, and Virtualization…