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-[Generally available: Live Resize for Premium SSD v2 and Ultra Disks using NVMe controllers](#generally-available-live-resize-for-premium-ssd-v2-and-ultra-disks-using-nvme-controllers)
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-[Generally available: Ultra Disk price reduction in West US 2, Central US, and UK South](#generally-available-ultra-disk-price-reduction-in-west-us-2-central-us-and-uk-south)
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-[Quarter 2 (April, May, June)](#quarter-2-april-may-june)
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-[Generally available: Troubleshoot Disk Performance with Copilot in Azure](#generally-available-troubleshoot-disk-performance-with-copilot-in-azure)
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### Quarter 3 (July, August, September)
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#### Generally available: Live Resize for Premium SSD v2 and Ultra Disks using NVMe controllers
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You can dynamically expand the storage capacity of your Premium SSD v2 and Ultra Disks using [NVMe controllers](https://learn.microsoft.com/azure/virtual-machines/nvme-overview) without any disruption to your applications. To optimize costs, you can start with smaller disks and gradually increase their storage capacity as needed, without experiencing downtime. See [expand with Ultra Disks and Premium SSD v2](/azure/virtual-machines/windows/expand-disks#expand-with-ultra-disks-and-premium-ssd-v2) for details.
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#### Generally available: Ultra Disk price reduction in West US 2, Central US, and UK South
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To better support performance sensitive and mission critical workloads on Azure, Ultra Disk offers improved cost efficiency in West US 2, Central US, and UK South. These enhancements gives you access to the same high-performance storage at a lower cost. For details, see [West US 2](https://azure.microsoft.com/updates?id=499401), [Central US](https://azure.microsoft.com/updates?id=499406), and [UK South](https://azure.microsoft.com/updates?id=499411).
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---
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title: D, Ds, Dv2, Dsv2, and Ls-series Migration Guide
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description: Migration guide for D, Ds, Dv2, Dsv2, and Ls-series VM sizes
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title: General Purpose Sizes Migration Guide
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description: Migration guide for general purpose VM size series
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author: iamwilliew
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ms.service: azure-virtual-machines
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ms.subservice: sizes
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ms.topic: concept-article
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ms.date: 09/02/2025
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ms.date: 10/15/2025
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ms.author: wwilliams
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ms.reviewer: mattmcinnes
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---
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# D, Ds, Dv2, Dsv2, and Ls-series Migration Guide
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# General Purpose Sizes Migration Guide
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This migration guide is designed for users of Azure D, Ds, Dv2, Dsv2, and Ls-series virtual machines (VMs), which are scheduled for retirement in **2028**. To ensure minimal disruption and to continue optimizing cost and performance, this guide helps you transition to the latest series VMs.
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This migration guide is designed for users of Azure General Purpose virtual machines (VMs), which are scheduled for retirement. To ensure minimal disruption and to continue optimizing cost and performance, this guide helps you transition to the latest series VMs.
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This document covers:
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| D<br>Ds<br>Dv2<br>Dsv2 | Dasv6<br>Dalsv6<br>Dsv6<br>Dlsv6 | Local Storage: Not Supported<br>Remote Storage Throughput: 4000 IOPS / 90 MBps<br>Disk Controller Type: NVMe|
For optimal performance and experience, we generally recommend using the newer v5 and v6 VM series. This ensures you have access to the latest features such as Premium Storage, Accelerated Networking, and Nested Virtualization. While the v6 VM series is preferred, there are certain scenarios where you might want to consider the v5 or even the v4 VM series. Here are some reasons why:
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- v6 VMs require [enabling NVMe](/azure/virtual-machines/nvme-overview) which means that you must have a [supported OS](/azure/virtual-machines/enable-nvme-interface).
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#### Q: Why Should I Migrate?
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If you are on D, Dv2, Dsv2, and L-series VMs, these VMs are set to retire in 2028. Migration is mandatory to avoid unexpected shutdown. Additionally, migration yields the following benefits:
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If you are actively running any sizes listed in this article, these VMs are set to retire in 2028. Migration is mandatory to avoid unexpected shutdown. Additionally, migration yields the following benefits:
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-**Performance**: Newer VM series offer better price-to-performance ratios.
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-**Regional Availability**: The v5 and v6 series has broader regional support across Azure data centers.
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