I read through the article about this and I'm very keen to get this to work.
I hit a snag when I used the Shrink Volume feature, it says I can only shrink 413MB, even though I have 24.95GB of free space. It says that the size of available shrink space can be restricted if snapshots or pagefiles are enabled on the volume. I don't know what this means.
I've taken a screenshot of the shrink dialogue for your inspection:
Any help or advice would be greatly appreciated.
Many thanks in advance,