Resize your virtual disk Vmware ESX 2.5.4 : Making it bigger: vmkfstools -X disksizeG /vmfs/lunname(vmhba0\:0\:0\:0)/your.vmdk Making it smaller: vmkfstools -X disksizeG /vmfs/lunname(vmhba0\:0\:0\:0)/your.vmdk –forceVmware Workstation Workstation: Making it smaller: C:\Program Files\VMware\VMware Workstation>vmware-vdiskmanager.exe –k your.vmdk Making it bigger: C:\Program Files\VMware\VMware Workstation>vmware-vdiskmanager.exe –x disksizeG your.vmdk The next step (after disk enlargemend) is to make the space avaleble to the OS. [...]