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I'm interested in creating a VM in Azure and downloading to my own machine to use in Hyper-V. The past couple of attempts at creating a VM have resulted in a 127Gb image. Can anyone tell me what the absolute smallest windows vm available is and how I can choose this in set up. There doesn't seem to be any options for anything smaller than this.

4c74356b41
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dstewart101
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2 Answers2

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You can use windows vms labeled as smalldisk, those will have 30gb os disk size. any linux vm will have 30gb os disk by default.

if using non portal, you can specify os disk size, I didnt ever try to downsize it below 30, but cant imagine why it wont work (unless there isn't enough space on the disk).

4c74356b41
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  • thanks - this is what i was looking for. i was always selecting images with Window 10 built in and these pre-made images all had larger disks. i see i can choose other images such as "[smalldisk] Windows Server 2016 Datacenter" – dstewart101 Mar 11 '19 at 10:49
  • Downsizing by specifying the OS disk size does not work. Apparently, this option can only be used to increase the size: `The specified disk size 4 GB is smaller than the size of the corresponding disk in the VM image: 30 GB. This is not allowed. Please choose equal or greater size or do not specify an explicit size.` – Simon May 08 '23 at 08:59
  • you can create a smaller image – 4c74356b41 May 10 '23 at 04:29
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Azure recently announced new B-series VM size, B1ls, which has the smallest memory and lowest cost among Azure VM instances. This offering is in response to customers who were looking for entry-level offerings. B1ls has 512 MiB of memory and 1 vCPU, and it costs only $0.0052 (US East) per hour.

B1ls is available only on Linux.

Reference: https://azure.microsoft.com/en-us/updates/b-series-update-b1ls-is-now-available/

Karishma Tiwari - MSFT
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