Bugcheck 0x7F (UNEXPECTED_KERNEL_MODE_TRAP) when migrating Hyper-V VMs between hosts

Hi, my name is Adrian and I am a Support Escalation Engineer with the EMEA Performance team. I’ve seen an increased number of cases recently where customers have issues with Hyper-V systems crashing with a BugCheck code 0x7F (UNEXPECTED_KERNEL_MODE_TRAP) when trying to move a VM from one host to another. In the scenarios I’ve seen…