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Look at the image below of my vista home premium virtual pc. it is running well with 384mb ram!!

Vista_VM_384mb_ram.JPG 16.45 KB
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  • Latest Post Latest Post by jbennet

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Running Vista inside a tiny VM is doable, but it exposes Vista's real limits and the VM overhead. demonstrated it can boot with minimal allocation; 's instinct to trim things and 's suggestion to use a stripped-down guest both point toward the same practical trade-offs: responsiveness, boot time, and background services are the main pain points.

Practical steps that help right away:

  • Install the VM's integration/guest additions for improved drivers and I/O.
  • Turn off Aero and other visual effects (set for best performance) and remove nonessential startup apps.
  • Disable or set to manual any background services that consume RAM (indexing, prefetch/superfetch-like services, sidebar/gadgets), testing one change at a time.
  • Avoid heavy resident software inside the guest (antivirus and large system utilities); use a lightweight security option or scan at the host level.
  • Use a fixed-size virtual disk rather than a dynamically expanding one if the virtual platform supports it, and keep the VHD on a fast disk to reduce paging.
  • If feasible, move to a VM engine with better guest drivers (for example, VirtualBox/VMware) or increase the guest RAM.

For expectations and planning: Vista's published system guidance shows the OS was designed for more memory than extremely small VMs, so a greater allocation materially improves usability (Windows Vista system requirements). If the VM only needs to run a single embedded task, a stripped-down OS or a purpose-built lightweight distribution is often the most reliable route — it uses far less RAM than a full desktop OS and avoids much of Vista's background work.

Caution: back up the VM disk before disabling services or making big changes. Disable things incrementally so you can restore functionality if something critical is turned off. For alternative VM software, consider modern options with better guest tools and driver support (for example, VirtualBox).

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Member Avatar for The Dude

Your very lucky!

You must have disabled everything :)

Member Avatar for forumdude123

it's a virtual machine with 8mb video ram (yep, that's eight megabytes), and it only has the os installed with avg free edition. nothing is disabled, but it takes 5 minutes to boot!!

Member Avatar for The Dude

I have Win98 and i also have 8MB shared video (But i only have 64M of ram so 56 after the 8M)

I have gone into Bios and lowered the settings down to minimum (2M) but then everything on my monitor is slow as anything!! (Understandably)

Ah well.........

Member Avatar for jbennet

you can cut down xp using nlite and xplite so when idle it uses 12mb ram but it has very little apps or drivers, and reduced functionality - but it works okay for embedded tasks - i did it like that for a pc a friend used in thier business (it has 24mb ram and a pentium 2) - all it needed to do was read a database ,communicate with a pda thingy via serial , and a printer via paralell, so they could print out stock labels.

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