Veeam Backup Guest Processing Skipped Error.

When you try to backup your vms whit Veeam Backup Application-Aware Image Processing  you can get that error.

Guest processing skipped (check guest OS VSS state and integration components version)
Unable to create snapshot (Microsoft CSV Shadow Copy Provider) (mode: Crash consistent). Details: Guest processing skipped (check guest OS VSS state and integration components version)
Error: Guest processing skipped (check guest OS VSS state and integration components version)

Try that steps to solve that problem.

  

•   Make sure integration services are up to date

•   If 2012 guest inside 2008 R2 host: look on guest for application error with source: vmicvss and event id: 13. If present, make the following registry edit:          HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore\       DWORD: ScopeSnapshots       Value: 0 (if you cant see that registry key create manualy)

•  Check shadow storage on the guest (vssadmin list shadowstorage).  Ensure the For Volume: and Shadow Copy Storage Volume: are the same for all partitions.•  Check for dynamic disks inside the guest (not dynamic VHDs)   

• Install windows backup feature if it is not installed.

•   Ensure system reserved partition (if the OS has one) is not running low on space. This should have at least 40MB free. If it does not, please try to backup the system state with Windows Backup and verify if it functions.

• Go to the Backup Job Settings > Storage > Advanced > Hyper-V and deselect the "Take crash consistent backup instead of suspending VM" checkbox.Use that setting same as picture and run the job again.