Exchange 2007 Database backup job fails with Microsoft VSS errors.
V-79-57344-65055 - AOFO: Initialization failure on: "\\"Server Name"\Microsoft Information Store\Storage Group". Advanced Open File Option used: No.
Snapshot provider error (0xE000FE1F): The device cannot be found.
If VSS errors occur during backup jobs on a Window Server 2008 Exchange server, attempt a backup using Windows Server Backup. If snapshot errors occur when using Windows backup please contact your hardware vendor or Microsoft to resolve any VSS issues.
The Windows Backup Utility can be installed on any Windows Server 2008 operating system using the server manager tool.
For more information on Windows Server Backup please refer to the following knowledge base article from Microsoft: