Microsoft: IOMMU, VBS part of what’s causing EPYC Windows Server VMware BSODs, boot fails

Microsoft: IOMMU, VBS part of what’s causing EPYC Windows Server VMware BSODs, boot fails

Microsoft has confirmed that the latest October 2023 Patch Tuesday for Windows Server 2022 (KB5031364) is triggering blue screens of death (BSODs) upon start up failures on VMware ESXi hypervisors with the error / stop code “PNP DETECTED FATAL ERROR”. Microsoft has identified that the issue is not affecting all systems or configurations and is … Read more

October Windows Server updates cause Hyper-V VM boot issues

October Windows Server updates cause Hyper-V VM boot issues

According to customer reports, this month’s Patch Tuesday updates are breaking virtual machines on Hyper-V hosts, causing them to no longer boot and display “failed to start” errors. According to complaints from Windows admins, the issue is triggered after installing KB5031361 and KB5031364 on Windows Server 2019 and Windows Server 2022 systems. The following errors … Read more