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        "title": "Reconcile volume letters when moving disks between Windows computers",
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        "potentially_affected": "Administrators relocating existing Windows disks to another computer.",
        "dse_recommendation": "Prepare a before-and-after mapping by disk identity, volume, and access path.",
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            "name": "Move disks to another computer",
            "url": "https://learn.microsoft.com/en-us/windows-server/storage/disk-management/move-disks-to-another-computer",
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        "content_html": "<h2>Source facts</h2>\n<p>Microsoft directs administrators to verify Healthy volume status before moving disks and to repair unhealthy volumes first. Basic volumes receive the next available drive letter on the destination computer. Dynamic volumes normally keep their former letter, but a collision causes another available letter to be assigned. A dynamic volume without a letter remains without one. The destination procedure includes rescanning disks and importing a disk reported as Foreign. <a href=\"https://learn.microsoft.com/en-us/windows-server/storage/disk-management/move-disks-to-another-computer\" target=\"_blank\" rel=\"noopener noreferrer\">Microsoft documentation</a>.</p>\n<h2>Applicability</h2>\n<p>Identify every disk and volume involved, its disk type, current letter, destination interfaces, and application dependencies. Review the full movement procedure for the equipment and operating systems in scope.</p>\n<h2>DSE recommendation</h2>\n<p>Prepare a before-and-after mapping by disk identity, volume, and access path. Ask application owners to identify references that rely on a specific letter. Arrange the maintenance window, verified recovery material, and physical handling responsibilities before removing or attaching any disk.</p>\n<h2>Verification</h2>\n<p>Compare the destination inventory with the original mapping before allowing applications to write. Check volume health, assigned letters, file access, and the application’s configured paths. Preserve any Foreign status or unexpected letter as an explicit finding, and obtain owner acceptance before retiring the original computer.</p>\n<h2>Official references</h2>\n<p><a href=\"https://learn.microsoft.com/en-us/windows-server/storage/disk-management/move-disks-to-another-computer\" target=\"_blank\" rel=\"noopener noreferrer\">Microsoft Learn: Move disks to another computer</a>. Source reviewed September 8, 2026.</p>",
        "content_text": "Source facts\nMicrosoft directs administrators to verify Healthy volume status before moving disks and to repair unhealthy volumes first. Basic volumes receive the next available drive letter on the destination computer. Dynamic volumes normally keep their former letter, but a collision causes another available letter to be assigned. A dynamic volume without a letter remains without one. The destination procedure includes rescanning disks and importing a disk reported as Foreign. Microsoft documentation.\nApplicability\nIdentify every disk and volume involved, its disk type, current letter, destination interfaces, and application dependencies. Review the full movement procedure for the equipment and operating systems in scope.\nDSE recommendation\nPrepare a before-and-after mapping by disk identity, volume, and access path. Ask application owners to identify references that rely on a specific letter. Arrange the maintenance window, verified recovery material, and physical handling responsibilities before removing or attaching any disk.\nVerification\nCompare the destination inventory with the original mapping before allowing applications to write. Check volume health, assigned letters, file access, and the application’s configured paths. Preserve any Foreign status or unexpected letter as an explicit finding, and obtain owner acceptance before retiring the original computer.\nOfficial references\nMicrosoft Learn: Move disks to another computer. Source reviewed September 8, 2026.",
        "content_markdown": "## Source facts\n\nMicrosoft directs administrators to verify Healthy volume status before moving disks and to repair unhealthy volumes first. Basic volumes receive the next available drive letter on the destination computer. Dynamic volumes normally keep their former letter, but a collision causes another available letter to be assigned. A dynamic volume without a letter remains without one. The destination procedure includes rescanning disks and importing a disk reported as Foreign. [Microsoft documentation](https://learn.microsoft.com/en-us/windows-server/storage/disk-management/move-disks-to-another-computer).\n\n## Applicability\n\nIdentify every disk and volume involved, its disk type, current letter, destination interfaces, and application dependencies. Review the full movement procedure for the equipment and operating systems in scope.\n\n## DSE recommendation\n\nPrepare a before-and-after mapping by disk identity, volume, and access path. Ask application owners to identify references that rely on a specific letter. Arrange the maintenance window, verified recovery material, and physical handling responsibilities before removing or attaching any disk.\n\n## Verification\n\nCompare the destination inventory with the original mapping before allowing applications to write. Check volume health, assigned letters, file access, and the application’s configured paths. Preserve any Foreign status or unexpected letter as an explicit finding, and obtain owner acceptance before retiring the original computer.\n\n## Official references\n\n[Microsoft Learn: Move disks to another computer](https://learn.microsoft.com/en-us/windows-server/storage/disk-management/move-disks-to-another-computer). Source reviewed September 8, 2026."
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