Learn how to fix the backup operation failure and the Wbengine.exe service stop in Windows Server 2008 R2 or Windows 7 when a volume does not exist. Download the supported hotfix from Microsoft or follow the workaround instructions.

This issue occurs because the Wbengine.exe service estimates the number of bytes that are needed to perform a backup incorrectly. The Wbengine.exe service loops through each partition of a disk, counting and accumulating the total bytes and free space.

Fixes an issue in which running Windows Backup on a GPT formatted disk causes wbengine.exe to crash. This issue occurs in Windows Server 2012.

Fixes an issue in which wbengine.exe process freezes and the backup operation fails in Windows Server 2012 R2.

This issue occurs because the Windows Block Level Backup Engine service (Wbengine.exe) handles file paths that are longer than 260 characters incorrectly. A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article.

This issue occurs because the Wbengine.exe service does not appropriately handle files that are created or renamed in a certain period of time. A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article.

When this issue occurs, the following message that relates to the failed format operation of the virtual hard disk (VHD) is logged in the WBDiag trace log: INFO:IoCreateDeviceSecure successful. VolumeDevice FFFFFA800287F8C0, Type: 7l, VolumeName: \Device\HarddiskVolumeFile199.

Quando esse problema ocorre, o sistema indica que o volume de destino não tem espaço livre suficiente, mesmo que ele realmente tem. Esse problema ocorre porque o serviço de Wbengine.exe estima o número de bytes necessários para executar um backup incorretamente.

Este artículo describe un problema que se produce cuando se realiza una copia de seguridad en una unidad de tabla (GPT) con un formato de partición GUID en Windows Server 2012. Puede corregir este problema mediante la actualización de este artículo.

Cuando se produce este problema, el sistema indica que el volumen de destino no tiene suficiente espacio libre, a pesar de que realmente tiene. Este problema se produce porque el servicio Wbengine.exe estimará el número de bytes necesarios para realizar una copia de seguridad de forma incorrecta.