ERROR_INVALID_DEVICE_OBJECT_PARAMETER - 650 (0x28A)
The device object parameter is either not a valid device object or is not attached to the volume specified by the file name.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_INVALID_DEVICE_OBJECT_PARAMETER indicates that a device object parameter provided to an API function is either invalid or does not match the expected volume specified by a file name. This error typically occurs when attempting to perform operations on files or directories, and the system cannot validate the device object due to its mismatch with the intended target.
Error Details
The numeric value of this error code is 650 (0x28A), and it suggests that there is a problem with the way the device object parameter was passed to the API function. The error implies that either the device object does not exist, or it is not correctly associated with the volume specified by the file name.
Usage Context
This error can occur in various scenarios where file system operations are performed, such as opening a file, creating a directory, or performing read/write operations on files. It often indicates that the application has passed an incorrect device object to the API function, leading to the failure of the operation.
Developer Interpretation
Developers should ensure that the device object parameter is valid and correctly associated with the intended volume when calling file system APIs. This error suggests that there might be a mismatch between the expected device object and the actual one provided by the application or operating system context.
Related Errors
ERROR_INVALID_PARAMETER(0x57)ERROR_BAD_DEVICE(0x289)ERROR_PATH_NOT_FOUND(0x3ba)
FAQ
Q: What does the error code 650 mean?
A: The error code 650, ERROR_INVALID_DEVICE_OBJECT_PARAMETER, indicates that a device object parameter is invalid or not correctly associated with the volume specified by the file name.
Q: How can I resolve this issue?
A: Ensure that the device object passed to the API function is valid and correctly matches the intended volume. Verify the parameters and context in which the operation is being performed.
Summary
ERROR_INVALID_DEVICE_OBJECT_PARAMETER (650) is a specific error code indicating an invalid or mismatched device object parameter. Developers should validate their input parameters to ensure they are correct and consistent with the expected file system operations.