I now succeded with three things: got a running DSM 7 VM in VMware Player 16 (Intel e1000e and disks as SATA, tc-boot-vmdk and additional 16GB Disk) exported it and imported this one on ESXi 6.7 U3 on HP Gen 8 Micro, works (with steps below) Boot Tiny Core 4.4 bare metal on HP Gen8 Micro   Export was done with OVF Tool v4.41: "C:\Program Files\VMware\VMware OVF Tool\ovftool.exe" --allowExtraConfig --exportFlags=mac,uuid,extraconfig "x:\vms\tc\tc.vmx" "x:\exp