AZ500157 - Retirement: Operating System (OS) Disks on Standard HDD will be retired on 08 September 2028

Azure Updates

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Published

Sep 8, 2025

Timeline

  • September 2028
    Retirement

Product

Azure Disk Storage

Tag

Retirements

Category

Storage

Description

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?   

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 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   

We encourage you to review Azure Disk Storage billing guidance 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. If you need personalized assistance, please submit a support request.