ERROR_INVALID_DRIVE_OBJECT - 4321 (0x10E1)
The drive identifier does not represent a valid drive.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_INVALID_DRIVE_OBJECT error code indicates that a drive identifier provided to an operation is not recognized as a valid drive by the system. This can occur in various file system operations where a specific drive letter or identifier is expected.
Error Details
- Error Name: ERROR_INVALID_DRIVE_OBJECT
- Numeric Code: 4321 (0x10E1)
- Short Description: The drive identifier does not represent a valid drive.
This error typically arises when an application or system function attempts to access a drive that is either non-existent, has been removed, or is otherwise invalid. It can also occur if the drive letter specified in the operation context is incorrect or if there are issues with the file system itself.
Usage Context
The ERROR_INVALID_DRIVE_OBJECT error code is commonly encountered in scenarios involving file and directory operations that require a specific drive identifier. This includes, but is not limited to, functions such as CreateFile, DeleteFile, and MoveFile. The error can also be relevant in context with other system calls where drive identification is necessary.
Developer Interpretation
Developers should interpret this error code as an indication that the specified drive identifier is invalid. This could mean several things, such as a non-existent drive letter being used, incorrect drive mapping, or issues with the file system on the specified drive. Developers are advised to ensure that all drive identifiers used in their applications are valid and correctly mapped.
Related Errors
- ERROR_PATH_NOT_FOUND (3): Indicates that the path specified is invalid or does not exist.
- ERROR_BAD_NETPATH (67): Occurs when a network path is invalid or cannot be reached.
- ERROR_INVALID_DRIVE (19): General error indicating an invalid drive, which may include issues with drive identification.
FAQ
Q: What does the ERROR_INVALID_DRIVE_OBJECT mean?
A: It indicates that the specified drive identifier is not recognized as a valid drive by the system.
Q: How can I resolve this error?
A: Ensure that the drive letter or identifier used in your application is correct and that the drive exists. Check for any issues with the file system on the specified drive.
Summary
The ERROR_INVALID_DRIVE_OBJECT (4321) error code signifies an invalid drive identifier, which can occur due to various reasons such as non-existent drives or incorrect mappings. Developers should validate all drive identifiers used in their applications and ensure that they are correctly mapped and exist on the system.