ERROR_FSFILTER_OP_COMPLETED_SUCCESSFULLY - 762 (0x2FA)
A file system or file system filter driver has successfully completed an FsFilter operation.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_FSFILTER_OP_COMPLETED_SUCCESSFULLY with the numeric value 762 and hex code 0x2FA is returned by a file system or filter driver to indicate that an FsFilter operation has been successfully completed. This error does not represent a failure but rather a confirmation of successful processing.
Error Details
- Error Name: ERROR_FSFILTER_OP_COMPLETED_SUCCESSFULLY
- Numeric Code: 762 (0x2FA)
- Short Description: A file system or filter driver has successfully completed an FsFilter operation.
This error is typically used in the context of file system operations where a specific action, such as data filtering or modification, has been performed and acknowledged by the relevant driver.
Usage Context
The ERROR_FSFILTER_OP_COMPLETED_SUCCESSFULLY error code is often encountered within the Windows API when interacting with file systems that support filter drivers. Filter drivers can be used to intercept and modify I/O operations on files or directories, allowing for various functionalities such as data encryption, compression, or access control.
Developer Interpretation
Developers should interpret this error code as an indication that a specific FsFilter operation has been successfully completed. This does not necessarily imply that the overall file system operation was successful; it only confirms that the filter driver processed and acted upon the request as intended.
Related Errors
- ERROR_FSFILTER_OP_ABORTED (761, 0x2F9): Indicates that an FsFilter operation has been aborted due to a failure or cancellation.
- ERROR_FSFILTER_OP_FAILED (763, 0x2FB): Indicates that an FsFilter operation failed and did not complete successfully.
FAQ
Q: What does the ERROR_FSFILTER_OP_COMPLETED_SUCCESSFULLY error code mean?
A: It indicates that a file system or filter driver has successfully completed an FsFilter operation.
Q: When would I encounter this error code in my application?
A: You might encounter it when using APIs that interact with file systems supporting filter drivers, such as FsRtl functions.
Summary
The ERROR_FSFILTER_OP_COMPLETED_SUCCESSFULLY error code is a specific indication of successful processing by a file system or filter driver. It should be interpreted in the context of FsFilter operations and does not necessarily reflect the overall success of an operation involving multiple steps.