Hi, I succesfully installed IBM HMC (Hardware Management Console) in Virtualbox. Originally this piece of software runs on a modified IBM xSeries server with a modified BIOS. Because of this, some undocumented VBox parameters had to be added manually to the .vbox file to fool HMC into believing that it runs on the "real" HW: Code: <ExtraDataItem name="VBoxInternal/Devices/pcbios/0/Config/DmiBoardVendor" value="IBM CORPORATION"/> <ExtraDataItem name="VBoxInternal/Devices/pcbios/0/Config/DmiSystemProduct" value="7042CR5"/> <ExtraDataItem name="VBoxInternal/Devices/pcbios/0/Config/DmiSystemSerial" value="0699999"/> <ExtraDataItem name="VBoxInternal/Devices/pcbios/0/Config/DmiSystemVendor" value="IBM CORPORATION"/> <ExtraDataItem name="VBoxInternal/Devices/pcbios/0/Config/DmiSystemVersion" value="7.3"/> I would like to move this VM to ESXi 5.1 but don't really know how to add these parameters to the .VMX file (or to the BIOS if it cannot be done by modifying the .VMX). Could someone point me in the right direction regarding this?