{
  "generated_at": "2026-11-13T14:30:20.170Z",
  "as_of": "2026-11-13",
  "site": {
    "name": "EOL Watch",
    "url": "https://eolwatch.dev"
  },
  "license": {
    "name": "Not decided yet",
    "url": null,
    "note": "The license for these exports has not been chosen yet, so no reuse terms are stated. Ask the site owner before you redistribute the data. Version dates taken from or cross-checked with endoflife.date remain subject to the license of that project."
  },
  "query": {
    "cloud": [
      "azure"
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    "category": null,
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  "items": [
    {
      "slug": "azure-disk-storage-os-disks-on-standard-hdd-retirement",
      "title": "Azure Disk Storage: OS disks on Standard HDD retirement",
      "summary": "Service for operating system (OS) disks on Standard HDD is retired on 8 Sep 2028. OS disks not migrated by then are converted to Standard SSD of equivalent size.",
      "cloud": "azure",
      "service": "Azure Disk Storage",
      "service_slug": "disk-storage",
      "category": "feature",
      "type": "retirement",
      "announced_date": "2025-09-08",
      "effective_date": "2028-09-08",
      "effective_precision": "day",
      "impact": "From 8 Sep 2028, service for operating system (OS) disks running on Standard HDD is retired. After the retirement date, OS disks still on Standard HDD are converted to Standard SSD of equivalent size. Microsoft states that migrating before the retirement date avoids a potential service disruption after that date. Standard HDD data disks (non-boot volumes) and ephemeral OS disks are not affected.",
      "migration_path": "1. Stop using Standard HDD OS disks for new virtual machines.\n2. Migrate existing HDD OS disks to Standard SSD or Premium SSD before the retirement date. See [Convert managed disks storage between different disk types](https://learn.microsoft.com/en-us/azure/virtual-machines/disks-convert-types?tabs=azure-powershell).\n3. Review the [Azure Disk Storage billing guidance](https://learn.microsoft.com/en-us/azure/virtual-machines/disks-understand-billing) to select the disk type that fits the workload and budget.\n4. Microsoft states that additional details are shared in its [public documentation](https://aka.ms/standard-hdd-os-disk-retirement) before the retirement date.",
      "replacement": "Standard SSD or Premium SSD",
      "affected_versions": [],
      "source_url": "https://azure.microsoft.com/updates?id=500157",
      "extra_source_urls": [
        "https://learn.microsoft.com/en-us/azure/virtual-machines/ephemeral-os-disks",
        "https://aka.ms/standard-hdd-os-disk-retirement",
        "https://learn.microsoft.com/en-us/azure/virtual-machines/disks-convert-types?tabs=azure-powershell",
        "https://learn.microsoft.com/en-us/azure/virtual-machines/disks-understand-billing"
      ],
      "vendor_ref": "500157",
      "last_checked_at": "2026-11-12T09:55:19.345Z",
      "created_at": "2026-11-13T13:36:44.208Z",
      "updated_at": "2026-11-13T13:36:44.208Z",
      "url": "https://eolwatch.dev/items/azure-disk-storage-os-disks-on-standard-hdd-retirement",
      "short_url": "https://eolwatch.dev/i/af",
      "markdown_url": "https://eolwatch.dev/items/azure-disk-storage-os-disks-on-standard-hdd-retirement.md",
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      "estate_check": null
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      "items": [
        {
          "slug": "azure-disk-storage-os-disks-on-standard-hdd-retirement",
          "title": "Azure Disk Storage: OS disks on Standard HDD retirement",
          "cloud": "azure",
          "service": "Azure Disk Storage",
          "service_slug": "disk-storage",
          "category": "feature",
          "type": "retirement",
          "announced_date": "2025-09-08",
          "effective_date": "2028-09-08",
          "effective_precision": "day",
          "state": "upcoming",
          "days": 665,
          "source_url": "https://azure.microsoft.com/updates?id=500157",
          "url": "https://eolwatch.dev/items/azure-disk-storage-os-disks-on-standard-hdd-retirement",
          "markdown_url": "https://eolwatch.dev/items/azure-disk-storage-os-disks-on-standard-hdd-retirement.md",
          "json_url": "https://eolwatch.dev/items/azure-disk-storage-os-disks-on-standard-hdd-retirement.json"
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}