ERROR_VOLUME_MOUNTED - 743 (0x2E7)

Technical Meaning

The ERROR_VOLUME_MOUNTED error code, with a numeric value of 743 and a hexadecimal representation of 0x2E7, is returned when a new volume has been mounted by a file system. This event typically signifies that the operating system has recognized and processed a newly attached storage device or partition.

Error Details

This error code is specific to the Windows operating system and is used in scenarios where a file system driver successfully mounts a new volume. The mounting process involves recognizing the storage device, initializing it, and making it available for use by applications and services.

Usage Context

The ERROR_VOLUME_MOUNTED error code can be encountered during various operations such as:

• Inserting a USB drive or external hard disk into a computer
• Booting from a new volume
• Initializing a newly formatted partition

This error is generally informational in nature and does not indicate an error condition that requires immediate attention. However, it may be useful for logging purposes to track the mounting of volumes.

Developer Interpretation

Developers should interpret this error code as a notification that a new volume has been successfully mounted by the file system. This can be used in applications and services to update their state or perform actions related to the newly available storage space. For example, an application might use this event to trigger a scan for files or directories on the new volume.

Related Errors

• ERROR_VOLUME_NOT_MOUNTED (742) - Indicates that a volume is not mounted and may require mounting before it can be used.
• ERROR_VOLUME_DISMOUNTED (745) - Indicates that a volume has been dismounted, which could occur if the storage device is removed or unmounted manually.

FAQ

Q: What does the ERROR_VOLUME_MOUNTED error code indicate?

A: It indicates that a new volume has been mounted by a file system and is now available for use.

Q: When would this error be encountered?

A: This error can be encountered when a storage device or partition is inserted, formatted, or otherwise initialized in such a way that it becomes recognized as a new volume by the operating system.

Summary

The ERROR_VOLUME_MOUNTED (743) error code is an informational message indicating that a file system has successfully mounted a new volume. Developers should use this information to update their application state or perform actions related to the newly available storage space.