Occurs when archive files are removed, renamed, or otherwise manually changed, when a file has an incorrect timestamp, or if archive backup does not complete successfully. If you hover over the notification, the storage path where the problem was detected displays. This is a System-generated event.
An archive Integrity check failure notification is triggered automatically when archive backup does not complete successfully.
Users with Owner or Administrator privileges will also receive a notification when attempting to view an altered archive for the specific camera affected. If you hover over the notification, the storage path where the problem was detected will be displayed. You can obtain more information (ex. the exact file name) from the server log files (see "Collecting Logs").
Why Event may work incorrectly
Global notification for this event is disabled.