what resources should I allocate for vista business as a virtual machine?

Hello Guys. Windows Vista Business

 Are the below specs the resources I should allocate for vista business as a virtual machine.  Again, I have workstation 6 and I'm going to create a vm for windows vista business.  Please let me know what you would allocate in terms of resources.  Thanks as always.

Recommended system requirements
1 GHz 32-bit (x86) or 64-bit (x64) processor
1 GB of system memory
40 GB hard drive with at least 15 GB of available space

pendal1IT ManagerAsked:
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rindiConnect With a Mentor Commented:
The space used isn't given back for use when the VM is off. There is an option though, but I've never used it yet. When you create the new VM, you'll get to a point where you are asked to allocate the disk space. Here you can decide whether that space should allocated now or on use. If you decide to allocate all space now, all your 40GB is used by the virtual disk files. This will increase the speed you get. If you don't allocate the space now, your VM OS will think it has 40GB, but the actual space used by the virtual disk files will only consist of the space that you are actually using within your VM. The more you install or copy to the file system in that VM the larger those files will grow, until they reach the full 40GB reserved.
briancassinConnect With a Mentor Commented:
If you low on hard drive space you could allocate less then the 40GB recommended but if you are going to install other applications or do any sort of development I would go with at least 40GB.

As far as the Ram is concerned you could get away with 512MB to 1GB but the more the merrier with Vista it is a Ram hog.  at 512MB it will be somewhat sluggish at 1GB it should run OK providing your not using any other apps. You could try 1GB if you are running more then just Vista such as office I would go 1.5GB to 2GB allocated Ram.
1 GB should be enough, but if you have enough memory in your PC and your Host OS doesn't use up all of it, I'd rather go for 2 GB. The disk space depends on what you are going to use Vista for. I've got a basic installation using 13 GB, but if you are going to do serious work you will need more.
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pendal1IT ManagerAuthor Commented:
braincassin and rindi, when I allocate hard drive space (let's say for example sake: 40gb) is that 40gb now permanently under the auspices of the vista vm or does the vm only get the 40 gbs when I power on the vm.  In other words when I power off the vm, does that 40 gb go back into circulation for the host.  I guess what I'm trying to ask is this space a dedicated partition?  
One other thing:  when I have a VM open, is there a quick way for me to toggle back and forth between the gues and the host.  Thanks again for the valuable information.
pendal1IT ManagerAuthor Commented:
Thanks for the valuable information.
no problem... thank you
your welcome
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