There is not a 20 GB limit! Are you saying that when you walk through the New Virtual Machine Assistant that when you get to the Virtual Hard Disk section that you can not change the default value?

Also please provide additional information by reading the following which is on the Fusion Forum main page.

If you want to ask a question, read HOWTO: Ask (and Answer) Questions first.

For the benefit of others who may come across this thread, what was the issue and solution?

I'm having the same problem with 20 GB disk limitation. I'm running VMware Fusion 2.0 on a Mac 10.5.5 and I have a Windows XP virtual disc.

When I access VMware tools (from Mac) and I go to Virtual Machine > Settings > Harddisk settings I can manually adjust the size of virtual disk and optionally check the box "Pre-allocate the disk space". At the moment setting is 50 GB. But...

When I load my Windows XP and I rightclick on my Windows volume C: it shows only 20 GB in total. At the moment 4 GB are free in Windows XP and other day when I was trying to install a 2-disc game (dvd) my Windows said: "There is no enough diskspace available on your drive C".

My question is: what the hack is my setting of 50 GB affecting actually? Not what I hoped for any way
Any idea how I can increase size of Windows volume so I have it available from within XP?

Thanks!

P.S. Even if I check the box "Pre-allocate disk space" it doesn't change the size from within XP.

Have a look at: Resizing Virtual Disks With Step by Step Instructions

Thanks people - it worked! I added another disk where I moved my userdata.
Greetings from Stockholm, Sweden:D