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ERROR_INTERMIXED_KERNEL_EA_OPERATION
Kernel and normal EAs cannot be changed together
ERROR_INTERMIXED_KERNEL_EA_OPERATION is a Win32 result associated with low-level filesystem metadata updates.
What the result means
One request attempted to modify both kernel and normal extended attributes.
What to check
- Separate kernel-managed attributes from application-managed attributes.
- Inspect the constructed EA list and classify each namespace correctly.
- Use the documented API path for each attribute type.
- Treat this as a caller contract error rather than a transient filesystem failure.
Recommended handling
Split the update into supported operations while preserving required ordering and rollback behavior. Do not simply remove unfamiliar kernel attributes from the request.
References
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