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STATUS_INCOMPATIBLE_WITH_GLOBAL_SHORT_NAME_REGISTRY_SETTING
The global 8dot3 policy does not permit this volume operation
Windows combines a global registry value with per-volume flags to decide whether NTFS creates 8.3 short names. Per-volume enable or disable operations are valid only when the global mode allows per-volume control.
Changing the policy can affect installers and applications that still store short paths. Microsoft provides query, scan, test, and strip modes so administrators can identify registry references before removing existing short names.
What to inspect
- Run fsutil 8dot3name query for both the global and target-volume state.
- Use global mode 2 before attempting a per-volume setting.
- Scan for registry references to short paths before stripping names.
- Remember that changing policy does not automatically rename existing files.
References
- Microsoft Learn: fsutil 8dot3name
- Microsoft Learn: Registry Hives
- Microsoft Open Specifications: NTSTATUS values
- Microsoft Windows SDK metadata: ntstatus.h
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