Retirement: Operating System (OS) Disks on Standard HDD will be retired on 08 September 2028

As part of our ongoing commitment to improve customer experience, we continuously evaluate our product portfolio to ensure it meets the evolving needs of our customers. To better align with current usage patterns and future investments in disk performance and reliability, service for OS disks running on Standard HDD will be retired on September 8, 2028\. **What’s Changing?** * Service for OS Disks running on Standard HDD will be retired on September 8, 2028 **What’s Not Affected?** * Standard HDD data disks (non-boot volumes) * Ephemeral OS disks: [Ephemeral OS disks | Microsoft Learn](https://learn.microsoft.com/en-us/azure/virtual-machines/ephemeral-os-disks) **What This Means for You** * After September 8, 2028, OS Disks on Standard HDD will be converted from Standard HDD to Standard SSD of equivalent size if not migrated prior. Additional details will be shared in our [public documentation](https://aka.ms/standard-hdd-os-disk-retirement) prior to the retirement date. **Required Action** To avoid a potential service disruption after the retirement date, stop using HDD OS Disks for new virtual machines and migrate your HDD OS Disks to Standard SSD or Premium SSD before the retirement date: [Convert managed disks storage between different disk types | Microsoft Learn](https://learn.microsoft.com/en-us/azure/virtual-machines/disks-convert-types?tabs=azure-powershell) We encourage you to review [Azure Disk Storage billing guidance](https://learn.microsoft.com/en-us/azure/virtual-machines/disks-understand-billing) to select the option that best meets your workload and budget needs. **Help and Support** If you have questions, get help and advice from Microsoft experts and peers on [Microsoft Q&A.](https://learn.microsoft.com/en-us/answers/tags/206/azure-disk-storage) If you need personalized assistance, please submit a [support request](https://learn.microsoft.com/en-us/azure/azure-portal/supportability/how-to-create-azure-support-request).