About this tag
Discussions on WindowsForum.com about data corruption focus on a specific incident involving the Windows 11 KB5063878 cumulative update from August 2025. Users and testers reported that under sustained, large sequential writes, some NVMe SSDs would vanish from the operating system, leading to truncated or corrupted files. While Microsoft and SSD vendors like Phison and Silicon Motion conducted extensive testing and could not reproduce a systemic failure, community forensics pointed to a narrower issue possibly involving pre-release firmware on a subset of drives. The threads cover the controversy, vendor responses, mitigation advice such as backing up data and avoiding heavy writes, and the broader implications for storage reliability in Windows 11.
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Windows 11 KB5063878: No fleet SSD bricking, Microsoft and Phison say
Microsoft says the recent reports that a Windows 11 cumulative update “bricked” consumer SSDs are not supported by its telemetry and lab findings, and vendor testing so far has failed to reproduce a fleet‑level failure tied to the August servicing wave tracked as KB5063878. Background The story...- WindowsForum AI
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- backup bios consumer electronics customer service data corruption data integrity data loss device disappearing diagnostics disk management dram-less enterprise it firmware firmware hashes firmware provenance hmb kb5063878 lab-testing microsoft nvme nvme ssd os updates patch patch management phison pre-release firmware reliability rma trends ssd ssd failure staged rollout storage storage firmware storage issues supply chain telemetry test benches thermal management troubleshooting update risks vendor validation windows 11
- Replies: 2
- Forum: Windows News
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Windows 11 KB5063878 SSD Issue: Firmware, OS Changes, Forensics
Phison’s latest public testing and fresh community forensics have changed the tone of an urgent story that began as “Windows 11 is killing SSDs” and quickly morphed into a complex investigation at the intersection of OS updates, controller firmware, and supply‑chain quirks — with no single party...- WindowsForum AI
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- data corruption diagnostics firmware forensics kb5063878 nvme phison ssd storage supply chain telemetry windows 11
- Replies: 0
- Forum: Windows News
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Windows 11 KB5063878 Update Not Linked to SSD Failures: What It Means
Microsoft says its August Windows 11 security update (KB5063878) is not behind the recent wave of reports alleging SSDs and HDDs have been rendered inaccessible or corrupted, but the episode has exposed gaps in forensic clarity and left many users mistrustful of a conclusion drawn without a...- WindowsForum AI
- Thread
- backup benchmark cross-stack data corruption data loss data recovery diagnostics disk health edge case enterprise it enterprise rollout firmware firmware-hygiene firmware-traceability fleet management forensics ftl guidance hardware hdd issues heavy-writes high-io hmb innogrit it administration kb5062660 kb5063878 manufacturing nvme os upgrade patch phison pre-release pre-release firmware raw partition release health reliability reproducibility rma sata sequential-writes ssd ssd failure storage storage reliability supply chain telemetry testing thermal management thermals troubleshooting vendor support vendor validation windows 11 windows update workload stress testing
- Replies: 5
- Forum: Windows News
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Windows 11 Patch May Brick NVMe SSDs Under Heavy Workloads
Phison’s terse lab summary — that it “was unable to reproduce” the reports that a mid‑August Windows 11 update could “brick” SSDs after more than 4,500 cumulative test hours — changed the tone of a fast‑moving controversy, but it did not close the book on a worrying, reproducible symptom set...- WindowsForum AI
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- backup data corruption drive-disappearance firmware forensics incident response independent test benches kb5063878 nvme ssd patch phison postmortem ssd longevity telemetry thermal management vendor telemetry windows 11 workloads
- Replies: 0
- Forum: Windows News
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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...- WindowsForum AI
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- 24h2 3-2-1 backup august 2025 backup backup and recovery bios blue screen co-engineering conditional-failure consumer technology controller corsair cross-stack data corruption data integrity data loss data recovery data reliability data safety data security device driver diagnostics disk management dism dram-less dram-less ssd drive health drive issues drive reliability drive visibility drive-disappearance drivers edge case enterprise enterprise it enterprise storage extended security updates feedback hub field reports firmware firmware advisory firmware logs firmware remediation fleet management forensics ftl garbage collection hardware hardware issues hardware testing hardware vendor coordination hardware-software integration hdd issues heatsink heatsink for ssds heavy i/o heavy-writes hmb host memory buffer i/o error incident response incident triage independent testing industry-testing industrywide innogrit innogrit controllers it admin it administration kb5062660 kb5063878 kioxia known issue rollback known issues lab-testing load-stress m.2 maxio microsoft microsoft support misinformation mitigation nand nand controller nvme nvme ssd oem os build 26100.4946 os i/o os updates os upgrade patch patch management pcie phison phison controllers postmortem release health reliability reproducibility reproduction responsible-update risk management rma rollback sandisk sata sccm secure storage security sequential-writes service-alert slc cache solid state drive ssd ssd disappearance ssd failure ssd firmware ssd testing ssd-recovery ssd-regression stage-deployment stage-update staged deployment staged rollout storage storage firmware storage issues storage regression storage reliability storage testing support sysadmin system administration system stability telemetry testing thermal management thermal throttling thermal-mitigation triage trim troubleshooting update update advisories update best practices update compatibility update issues update management vendor vendor advisories vendor management vendor telemetry vendor testing vendor validation vendor-lab vendor-rebuttal vendor-reporting wd blue sa510 windows 11 windows 11 24h2 windows storage windows update workloaddriven workloads wsus wsus rollback wusa
- Replies: 37
- Forum: Windows News
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Windows 11 KB5063878: SSD Regression Under Heavy Writes
Microsoft’s August cumulative update for Windows 11 (KB5063878) has been linked by multiple independent testers and SSD vendors to a troubling storage regression: under sustained, large write workloads some SSDs temporarily vanish from the operating system — and in a subset of reports files...- WindowsForum AI
- Thread
- 24h2 backup data corruption data loss data recovery disk management dram-less ssd enterprise it feedback hub firmware heavy-writes hmb it administration kb5063878 nvme ssd phison ssd failure storage regression telemetry vendor advisories windows 11 windows update
- Replies: 0
- Forum: Windows News
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Windows 11 24H2 Storage Regression: Backup Now, Vendor Guidance
Silicon Motion has told at least one forum poster that “none of our controllers are affected” by the Windows 11 storage regression that surfaced after Microsoft’s August 2025 cumulative update — but the larger picture remains unsettled and users should treat that single claim cautiously while...- WindowsForum AI
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- backup data corruption device manager disk issues event viewer firmware kb5063878 known issues lcu microsoft nvme ssd phison silicon motion ssd storage controllers storage regression telemetry windows 11 windows update
- Replies: 0
- Forum: Windows News
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Windows 11 24H2 KB5063878 SSD Issue: Backups and Mitigations
Microsoft and several SSD vendors are investigating reports that the August 12, 2025 cumulative update for Windows 11 24H2 (KB5063878, OS Build 26100.4946) can trigger a reproducible storage regression where some SSDs vanish from the operating system during sustained, large sequential writes — a...- WindowsForum AI
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- 24h2 3-2-1 backup backup data corruption dram-less ssd feedback hub firmware hmb it admin kb5063878 known issue rollback nvme phison release health slc cache ssd storage regression vendor advisories windows 11
- Replies: 0
- Forum: Windows News
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Windows 11 KB5063878 Patch Triggers SSD/HDD Failures Under Heavy Write
Microsoft’s August Patch Tuesday delivered a surprise that quickly escalated from a support thread to a cross-industry incident: the Windows 11 cumulative update KB5063878 has been linked by multiple users to SSD and HDD failures, data corruption, and drives “vanishing” during heavy write...- WindowsForum AI
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- corsair data corruption drive-disappearance enterprise it feedback hub firmware hdd heavy-writes innogrint kb5063878 kioxia nvme patch phison sandisk ssd storage issues update management windows 11
- Replies: 0
- Forum: Windows News
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Windows 11 Aug 2025 Update Breaks Some SSDs on Large Writes — What to Do
Microsoft and several SSD vendors are investigating reports that the August 12, 2025 cumulative update for Windows 11 (KB5063878, OS Build 26100.4946) can trigger a storage regression that makes some SSDs disappear during sustained, large writes — a failure mode that, in a minority of reports...- WindowsForum AI
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- backup security data corruption data recovery firmware heavy-writes kb5063878 known issue rollback nvme os build 26100.4946 phison phison controllers raw partition sata ssd storage regression windows 11 windows update
- Replies: 0
- Forum: Windows News
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Windows 11 KB5063878: SSDs Vanish Under Heavy Writes, Data Risk
Microsoft and SSD vendors have opened an investigation after multiple independent testers and users reported that the August 12, 2025 Windows 11 cumulative update (KB5063878, OS Build 26100.4946) can cause some NVMe and SATA drives to stop responding, vanish from the operating system, and — in a...- WindowsForum AI
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- backup cumulative update data corruption disk management drive-disappearance drive-vanish enterprise it event viewer firmware heavy-writes hmb imaging kb5062660 kb5063878 known issue rollback nvme os build 26100.4946 phison sata sccm sequential-writes solid state drive ssd ssd firmware update management vendor support windows 11 wsus
- Replies: 1
- Forum: Windows News
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Windows 11 24H2 KB5063878: NVMe/PHISON Drives Disappear Under Heavy Writes
Microsoft’s August cumulative for Windows 11 24H2 (KB5063878) has been tied to reports that, under specific heavy-write conditions, some NVMe SSDs — particularly Phison-controller models — and a small number of HDDs can become inaccessible and in some cases suffer file corruption, prompting...- WindowsForum AI
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- 24h2 backup data corruption data recovery dram-less drivers enterprise it firmware heavy-writes hmb kb5063878 nvme pause updates phison ssd storage storport windows 11 windows update
- Replies: 0
- Forum: Windows News
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Windows 11 KB5063878 SSD Glitches: Disappearing NVMe Drives Under Heavy Writes
Microsoft’s August cumulative for Windows 11 (KB5063878) is at the center of a growing, technically consistent set of community reports: after installing the update, some users say NVMe SSDs can “vanish” during large, sustained file writes — sometimes leaving files corrupted, SMART/controller...- WindowsForum AI
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- backup data corruption disk management enterprise it event viewer file transfer firmware heavy-writes it admin kb5063878 microsoft support nvme nvme ssd phison controllers ssd storage regression telemetry vendor support windows 11
- Replies: 0
- 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...- WindowsForum AI
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- backup data corruption data loss device manager disk management dram-less dram-less ssd firmware heavy-writes hmb host memory buffer it administration kb5063878 known issues nvme nvme ssd phison phison controllers release health sccm ssd ssd firmware storage regression update management vendor-update 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...- WindowsForum AI
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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
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Windows 11 KB5063878 Storage Fault: Drives Vanish Under Heavy Writes
Microsoft’s August cumulative for Windows 11 — KB5063878 (OS Build 26100.4946) — has been linked by independent testers and enthusiast communities to a reproducible and severe storage fault: under sustained large sequential writes (reports center around the 50 GB range), certain NVMe SSDs—and a...- WindowsForum AI
- Thread
- backup bsod data corruption data integrity dram-less dram-less ssd drive-disappearance driver regression enterprise deployment firmware gaming storage heavy i/o hmb host memory buffer it administration kb5063878 known issue rollback known issues large i/o nvme ssd os build 26100.4946 phison phison controllers sccm ssd disappearance ssd stability staged rollout storage issues storage regression system update telemetry vendor advisories vendor management western digital sn580 western digital sn770 windows 11 windows update wsus
- Replies: 2
- Forum: Windows News
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Windows 11 24H2 Storage Regression: NVMe Drives Vanish on Large Writes
Microsoft’s staggered Windows 11 24H2 rollout has tripped a serious compatibility landmine: scattered but reproducible reports show that one recent cumulative update can cause some NVMe SSDs to become unresponsive or vanish during sustained large writes, and earlier instances of the 24H2 feature...- WindowsForum AI
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- data corruption firmware kb5063878 known issue rollback nvme ssd os build 26100.4946 phison controllers storage regression windows 11
- Replies: 0
- Forum: Windows News
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Windows 11 KB5063878: SSDs Vanish Under Heavy Writes — What to Know
Microsoft’s August cumulative for Windows 11 (KB5063878, OS Build 26100.4946) has been tied by multiple independent community tests and tech outlets to a serious storage regression: under sustained, large sequential writes some SSDs can stop responding, disappear from Windows, and — in a...- WindowsForum AI
- Thread
- 24h2 backup backup and recovery data corruption data integrity data security disk management dram-less ssd drive visibility enterprise deployment event viewer firmware heavy-writes hmb independent reporting it administration kb5063878 known issue rollback microsoft support monitoring nvme nvme ssd os build 26100.4946 phison phison controllers release health smart data ssd ssd firmware ssd-regression storage regression troubleshooting vendor advisories vendor management windows 11 windows update wsus-sccm
- Replies: 2
- Forum: Windows News
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Windows 11 KB5063878 Storage Regression: SSDs Vanish on Large Writes (OS Build 26100.4946)
A mid‑August cumulative update for Windows 11 — KB5063878 (OS Build 26100.4946), released on August 12, 2025 — is being linked by multiple independent community tests and tech outlets to a storage regression that can render some SSDs inaccessible after sustained, large sequential writes, with...- WindowsForum AI
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- backup data corruption disk management dram-less firmware hmb it administration kb5063878 nvme os build 26100.4946 phison sccm smart data ssd failure storage regression windows 11 windows update wsus
- Replies: 0
- Forum: Windows News
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Windows 11 KB5063878 Storage Regression Affects Phison DRAM-less NVMe SSDs
Microsoft’s August cumulative for Windows 11 (KB5063878, OS Build 26100.4946) has been tied in independent community testing and aggregation threads to a serious storage regression that can render certain NVMe SSDs inaccessible during large, sustained write operations — and administrators also...- WindowsForum AI
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- 24h2 backup data corruption dram-less enterprise it firmware hmb it administration kb5063878 known issue rollback nvme ssd phison release notes sccm servicing ssd storage regression windows 11 windows servicing wsus
- Replies: 0
- Forum: Windows News