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bharathn-msft asked ·

Custom Image Vs Formula within Azure Dev Test Labs

What is the difference between a custom image and a formula within Azure Dev Test Labs ?

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kobulloc-MSFT answered ·

A custom image is a managed image. A formula is an image that you can configure with additional settings, and then save and reproduce.

A custom image might be preferable if you want to quickly create several environments by using the same basic, immutable image.

A formula might be better if you want to reproduce the configuration of your VM with the latest bits, as part of a virtual network or subnet, or as a VM of a specific size.

For a more in-depth explanation, see Comparing custom images and formulas in DevTest Labs.

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