Right click on a VHD file and select "Expand VHD" in the context menu.
Virtual Disk Extension Wizard will start.
Among the other things, the initial wizard screen will display the current registration information.
Decide if you want to replace the original VHD with the expanded VHD, or save the expanded VHD as a new file. The replace
option works almost instantaneously, since no data is being copied, but make sure you have a current backup of the VHD.
Saving as a different file is much slower; the advantage is that it will not affect the original VHD.
Select the new VHD size between the current size and 2 TB, which is the upper limit for a VHD according to Microsoft.
Note that, IDE controller in Microsoft Virtual PC supports only VHD size up 127 GB.
To be able to use bigger VHDs you will need to connect them to a SCSI controller in Microsoft Virtual Server.
Note, that the trial version of VHD Utility supports only 1 GB increase from the original size.
The registered version does not have such limitation.
The VHD is about to be expanded, verify the parameters.
Note that while this operation will increase VHD size, or more exactly VHD storage capacity,
size of any partition existing on the disk will remain unchanged.
You will find recommendations on how to extend file system partition here.
If you selected to save expanded VHD to a new file, the operation may take significant time,
since data needs to be copied from the original VHD. You can observe the progress and cancel at any moment, if needed.
Right click on a VHD file and select "Properties" in the context menu.
Select the "VHD information" tab.
All of VHD utility functionality is available through command line interface as well.
To get help, type vhdu -h
Expanding VHD. If the operation is going to take a significant time, a progress indicator will be shown.
The operation in progress can be cancelled at any time by pressing Ctrl-C.
Getting VHD info.
