Use VssDiag to find Volume Shadow Copy Service errors, Disk errors, Hyper-V errors, etc. that may break backups. It also looks inside Hyper-V logs to find out if a VM is causing backup errors or some other Hyper-V configuration. All you need to do is enter the time when the backup app reported the error.
Full Specifications
What's new in version 1.0
General
ReleaseJanuary 15, 2014
Date AddedJanuary 15, 2014
Version1.0
Operating Systems
Operating SystemsWindows 2003, Windows 8, Windows Vista, Windows, Windows Server 2008, Windows 7, Windows XP