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windbg-user-virtual-memory-exhaustion

Use when a native app, service, or user-mode driver host allocation fails; distinguish VA exhaustion, fragmentation, and commit pressure. Not for managed .NET heap growth, proving a leak from one snapshot, or corruption.

plugins/windbg/skills/windbg-user-virtual-memory-exhaustion/SKILL.md

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Last checked
Nov 5, 2026

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Nov 3, 2026
License
MIT

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# Virtual Memory Exhaustion

**Load `windbg-diagnostic-method` first** if it is not already loaded in this
conversation, and apply it throughout for evidence ranking, hypothesis testing,
confidence calibration, independent review, and report validation. This skill
adds the bug-family-specific commands and evidence requirements.

## Detection

Investigate `E_OUTOFMEMORY` (`0x8007000E`), `STATUS_NO_MEMORY` (`0xC0000017`),
`bad_alloc`, or failed heap/virtual allocations in an application, service, or
user-mode driver host (including UMDF). Record the actual API, requested
size/alignment, architecture, flags, and error. Free physical RAM does not rule
out insufficient virtual address space, commit pressure, or applicable limits.