This managed object reports memory allocated for COS, theConsole OS (aka Service Console) which is a memory region carved out of physical memory to boot a RedHat Linux distribution/provides device management interface. Note that in the VMware ESXi product there is no COS so this will report 0. This managed object reports the amount of physical memory allocated to the COS. VIM Parent Container: https://esx.example.com/mob/?moid=memorySystem VIM property: serviceConsoleReserved MOB: https://esx.example.com/mob/?moid=memoryManagerSystem&doPath=consoleReservationInfo