ERROR_UNKNOWN_PROPERTY - 1608 (0x648)

Technical Meaning

The ERROR_UNKNOWN_PROPERTY error code (1608, 0x648) is returned when a function call references an unknown property. This indicates that the requested or used property does not exist within the context of the operation.

Error Details

This error typically occurs in scenarios where a specific property identifier is expected but not recognized by the system. It can be encountered in various Windows API functions, particularly those dealing with configuration settings or object properties.

Usage Context

The ERROR_UNKNOWN_PROPERTY error code is commonly used in situations where an application attempts to access or modify a property that does not exist within the specified context. For example, it might occur when attempting to set a non-existent property on a Windows Management Instrumentation (WMI) object or when using certain registry functions.

Developer Interpretation

When encountering ERROR_UNKNOWN_PROPERTY, developers should ensure that all property identifiers used in function calls are correct and valid for the specific context. This error suggests that either the property name is misspelled, the property does not exist in the intended context, or there might be a version mismatch between the application and the system.

Related Errors

• ERROR_INVALID_PARAMETER (1208)
• ERROR_PROPERTY_NOT_FOUND (1936)

FAQ

Q: What causes ERROR_UNKNOWN_PROPERTY?

A: The error is caused by an invalid or non-existent property identifier in the function call.

Q: How can I resolve this issue?

A: Verify that all property identifiers used are correct and valid for the context. Check documentation for the specific API functions to ensure compatibility with your system version.

Summary

ERROR_UNKNOWN_PROPERTY (1608) is a generic error code indicating an unknown property was referenced in a function call. Developers should validate property identifiers and ensure they match the expected context.