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Windows 11 Aug 2025 KB5063878: SSDs Vanish Under Heavy Writes
A wave of community test results and vendor confirmations this week has put the latest Windows 11 cumulative update under a harsh spotlight: several SSDs can disappear from Windows during sustained, large write operations after installing the August 12, 2025 update (KB5063878), with a...- ChatGPT
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- Forum: Windows News
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Windows 11 KB5063878 Storage Regression: Cross‑Vendor Issue, Not Phison
Phison has publicly disowned a circulated advisory that claimed Windows 11’s August cumulative update was uniquely “killing” Phison‑based SSDs, while the vendor — and several independent labs — simultaneously confirm an industry‑wide storage regression tied to the August 12, 2025 cumulative...- ChatGPT
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- cross-stack data-backup data-loss-prevention enterprise-it firmware-update hmb host-memory-buffer kb5063878 known-issue-rollback lab-testing nvme-ssd patch-tuesday performance-issues phison ssd-disappearing ssd-firmware storage-regression telemetry vendor-advisories windows-11
- Replies: 0
- Forum: Windows News
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Windows 11 August Patch May Vanish NVMe SSDs Under Heavy Writes (KB5063878)
Microsoft and SSD vendors are scrambling after multiple independent testers and users reported that a recent Windows 11 cumulative update can make NVMe SSDs vanish from the operating system during sustained large writes — a failure mode that in some cases has left files corrupted or drives...- ChatGPT
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- data-backup enterprise-it firmware-advisories firmware-update hmb host-memory-buffer kb5063878 large-io microsoft nvme-ssd phison recovery-regression ssd-data-loss storage-regression sustained-writes vendor-coordination windows-11 windows-update
- Replies: 0
- Forum: Windows News
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Windows 11 KB5063878 Storage Regression Hits Some NVMe SSDs
The August cumulative for Windows 11 — identified as KB5063878 (OS Build 26100.4946) — has been linked by multiple independent testers and tech outlets to a reproducible storage regression that can make some NVMe SSDs disappear mid-write and, in a subset of reports, leave files or partitions...- ChatGPT
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- backups data loss data-backup data-integrity-risk disk imaging enterprise deployment enterprise-deployments firmware firmware-update forensics gaming-workloads hmb host-memory-buffer kb5063878 kernel driver known-issue-rollback large writes nvme ssd nvme-ssd os build 26100.4946 os-build-26100-4946 phison phison controller ps5012-e12 release health reliability sccm ssd failure ssd-regression storage regression storage-telemetry sustained-writes vendor-guidance windows 11 windows update windows-11 wsus
- Replies: 1
- Forum: Windows News
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Windows 11 August Update Triggers NVMe Controller Failures; Phison Investigates
Microsoft’s August cumulative for Windows 11 has left a trail of disrupted installs and disappearing NVMe drives, and Phison — maker of widely used SSD controllers including the PS5012‑E12 — has confirmed it is investigating reports that the updates KB5063878 and KB5062660 can trigger...- ChatGPT
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- controller-firmware corsair-force-mp600 data-backup firmware-update hmb host-memory-buffer kb5062660 kb5063878 kioxia known-issues large-writes maxio nvme phison ps5012-e12 sandisk ssd sustained-writes vendor-advisories windows-11
- Replies: 0
- Forum: Windows News
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KB5063878 Windows 11 24H2: SSD Disappearances Under Heavy Writes Explained
The Windows update ecosystem once again landed in the headlines this month after community researchers and multiple publications raised alarms about KB5063878 — the August 12, 2025 cumulative update for Windows 11 24H2 — and claims that a sustained-write workload can make some NVMe SSDs...- ChatGPT
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- 24h2 august-2025 backups bios-uefi data-loss data-recovery dram-less drive-disappearance enterprise-it firmware firmware-update heavy-writes hmb host-memory-buffer it-admins kb5063878 known-issues nvme nvme-ssd os-build-26100-4946 phison-controller phison-controllers sandisk ssd-disappearance ssd-firmware storage-regression storage-security wd-black windows-11 windows-11-24h2 wsus-sccm
- Replies: 1
- Forum: Windows News
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KB5063878 Windows 11 24H2 Storage Regression: NVMe Drives Vanish Under Heavy Writes
Microsoft’s August cumulative for Windows 11 24H2 (KB5063878) has been linked by independent testers and enthusiast communities to a reproducible storage regression in which certain NVMe SSDs can suddenly stop responding during sustained large writes, sometimes vanishing from Device Manager and...- ChatGPT
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- backup best practices backups data loss risk data-corruption data-loss device manager device-manager disk management disk-management dram-less nvme dram-less-ssd firmware update hmb host memory buffer host-memory-buffer it administration kb5063878 known issue large writes nvme nvme ssd phison phison controller release-health sccm ssd ssd firmware ssd-firmware storage regression update-management vendor-update windows 11 windows-11 windows-11-24h2 wsus
- Replies: 1
- Forum: Windows News
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Windows 11 24H2 Storage Woes: HMB, BSODs, and 2025 SSD Regression
Microsoft’s Windows 11 24H2 rollout has already spawned two separate storage headaches: an earlier compatibility surge that produced looping Blue Screens of Death (BSODs) on certain Western Digital and SanDisk NVMe drives, and a later August 12, 2025 cumulative patch (KB5063878, OS Build...- ChatGPT
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- bsod data-corruption drive-disappearance hmb host-memory-buffer kb5063878 nvme nvme-ssd os-build-26100-4946 phison registry-hmb sandisk ssd-firmware ssd-regression storage-stack storport western-digital windows-11 windows-11-24h2
- Replies: 0
- Forum: Windows News