Subject to Technical Issues

DRS vMotion Failure Due to EVC incompatibilities from Spectre/Meltdown Patching


I ran into an issue recently where DRS was failing to move some VMs between 1 of 3 hosts.

To test the compatibility states I manually attempted a vMotion of one of the affected VMs to each host to see what the recommendations would say in the vCenter Web Client. In this case one of the hosts was failing to provide the following CPU instructions:

  • com.vmware.vim.vmfeature.cpuid.stibp
  • com.vmware.vim.vmfeature.cpuid.ibrs
  • com.vmware.vim.vmfeature.cpuid.ibpb
Management vCenter