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

This problem occurs because the Windows Server Backup engine (Wbengine.exe) does not handle cases correctly when the EFI system partition location is changed during the restore. Resolution To resolve this issue, Windows Backup must rebuild the catalog to reflect the latest disk configurations.

This article describes an issue that occurs when a backup is taken on a GUID partition table (GPT) formatted drive in Windows Server 2012. You can fix this issue by using the update in this article.

This issue occurs because the Windows Block Level Backup Engine service (Wbengine.exe) handles file paths that are longer than 260 characters incorrectly. Resolution Hotfix information

Fixes an issue in which Windows Server Backup does not back up newly created files and the backup operation finishes in the "incomplete backup" status. This issue occurs on a computer that is running Windows 7 or Windows Server 2008 R2.

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.

This article describes an issue that occurs when you use Windows Server Backup to back up data in Windows Server 2012 R2. You can fix this issue by using the update in this article. Before you install this update, see the Prerequisites section.

In this scenario, you receive an error message that resembles the following: The filename, directory name, or volume label syntax is incorrect. Note The {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} placeholder represents the disk identifier number.

Fixes an issue in which you receive an error message after you run the "wbadmin start systemstatebackup" command to back up the system state of a Windows vista-based or Windows Server 2008-based virtual machine. This issue occurs when the virtual machine is running on a VMware host server.

Cause. This issue occurs because there are two Extensible Firmware Interface (EFI) system partitions after software mirroring is enabled. During the BMR restore process the restore engine tries to create a list of files to be excluded from recovery.