XenServer 8 now supports up to 64 vCPUs. There are however some considerations to bear in mind. OS capabilities and vendor limits OSArchitectureCPU limit(maximum)CPU limit(minimum)CommentsWindows 10 (64-bit)x86-32Limit of 4 sockets and 1280 logical cores>=2 logical coresWindows license has a 4 socket limit for Enterprise SKUs. Home Edition has a 1 socket limit and Pro … [Read more...] about 64 vCPU support