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docs(azure): uefi vs non-uefi features - #557

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k-dimple merged 1 commit into
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sebastian-negulescu:feat/uefi-vs-non-uefi
Aug 24, 2026
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docs(azure): uefi vs non-uefi features#557
k-dimple merged 1 commit into
canonical:mainfrom
sebastian-negulescu:feat/uefi-vs-non-uefi

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@sebastian-negulescu

@sebastian-negulescu sebastian-negulescu commented Aug 21, 2026

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Documents the features and support of UEFI and non-UEFI boot architectures, how Ubuntu supports both, and how Azure takes advantage of UEFI features on their platform.

@mikeraymond7 mikeraymond7 left a comment

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I think this might fit better under a new section in this file. This seems better suited to the Optimizations for Azure section


Ubuntu images are specifically fine-tuned to maximize performance on Azure infrastructure and support the latest cloud features as they are released. The images integrate with core Azure services, such as Azure Pricing, Azure Guest Patching Service (AzGPS), and Update Management Center.

Additionally, Ubuntu images support modern UEFI and legacy non-UEFI boot architectures. `Generation 2 VMs on Azure`_ rely on UEFI support for `Trusted Launch` and larger boot volume features. Generation 2 VMs require an Ubuntu Gen2 image and compatible `Generation 2 VM size`_ to boot, while Generation 1 VMs need an Ubuntu Gen1 image to boot. Consult `Should I create a generation 1 or 2 virtual machine in Hyper-V?`_ for more information on Azure VM generations.

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Should I create a generation 1 or 2 virtual machine in Hyper-V? is a long link name. Maybe consider condensing if possible

Documents the features and support of UEFI and non-UEFI boot
architectures, how Ubuntu supports both, and how Azure takes advantage
of UEFI features on their platform.
@k-dimple
k-dimple merged commit 5bf6b43 into canonical:main Aug 24, 2026
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4 participants