what's wrong ?.?


================================== LOG START ==================================
Thinware(R) vBackup(R)
Version: 4.0.0.2708 (Version 4.0)
Copyright (c) 2009-2014 Thinware, Inc. All rights reserved.
Visit us at: www.vbackup.com
Process Started: 2015/5/22 17:26:15
Application Settings:
- SMTP Server =
- SMTP Username =
- SMTP Password =
- SMTP From Address =
- Notification Recipients =
- VMware Virtual Disk Development Kit Install Path = C:\Program Files\VMware\VMware Virtual Disk Development Kit
Execution Arguments:
- Virtual Machine = Win2008r2_IIS
- Server = 192.168.3.9:22
- Server Username = root
- Server Password = **********
- Job = vmbackup1
- Job Type = Backup-Image-SSH
- Backup Root = G:\
- Disk Exclusion = None
- Backups to Keep = 1
- Quiesce Guest File System = True
- Create Snapshot Task Timeout = 15
- Remove Snapshot Task Timeout = 15
- Encrypt Temporary Password File = True
- Compression Level = None
- Maximum Log Size = 1024
- Backup Type = Image-Full
SMTP server not provided, e-mail notification is disabled.
Server Platform: VMware ESXi 4.1.0 260247
Virtual Machine Guest OS: Microsoft Windows Server 2008 R2 (64-bit)
License:
- Type: Perpetual
- Status: Active
- Edition in Use: Standard
Backup Folder: G:\\Win2008r2_IIS
Backup: 150522_172623
No existing temporary snapshots found.
E Unable to complete backup. Unable to create temporary snapshot. Create snapshot failed.
Backup data folder deleted in cleaning up after job failure.
Process Completed: 2015/5/22 17:26:35
Elapsed Time: 20 seconds