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ERROR_HV_PROPERTY_VALUE_OUT_OF_RANGE
Partition properties are validated as a configuration, not isolated numbers
ERROR_HV_PROPERTY_VALUE_OUT_OF_RANGE is returned when Hyper-V recognizes the property but rejects its value or a related invariant. The problem may be a simple limit, non-zero reserved bits, an unsupported flag combination, or a value inconsistent with processor count, NUMA layout, compatibility version, or another property already set.
Log both the property value and the configuration values it depends on. Confirm byte size and structure revision for extended properties, clear reserved fields, and apply early properties before initialization. Clamping a value to an arbitrary maximum is unsafe when the failure represents a relationship between fields rather than a single numeric bound.
Validation steps that preserve the real cause
- Dump the complete property payload, including reserved fields.
- Check documented value ranges and architecture-specific meanings.
- Compare processor, memory, NUMA, and compatibility settings used by the partition.
- Verify whether the property must be set before initialization.
References
- Microsoft TLFS: fixed-size partition property call
- Microsoft TLFS: property types and early-property classification
- Microsoft TLFS: creation properties and reserved fields
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