Veeam and Hyper-V: Guest processing skipped (check guest OS VSS state and hypervisor integration components version)

With application-aware processing enabled in a Veeam backup job for a Hyper-V virtual server:

Guest processing skipped (check guest OS VSS state and hypervisor integration components version)
Failed to create snapshot (Microsoft Software Shadow Copy provider 1.0) (mode: Crash consistent) Details: Guest processing skipped (check guest OS VSS state and hypervisor integration components version)
Error: Guest processing skipped (check guest OS VSS state and hypervisor integration components version)

The reason is:

VM CAPTION IS #BACKUP USING SAVED STATE#. BACKUP WITH IN-GUEST VSS CURRENTLY IS NOT POSSIBLE

It seems that the Hyper-V integration components did not specify to use the system provider within this virtual server.  I forced using the  ‘Microsoft Software Shadow Copy provider’ inside the effected guest by adding this DWORD value.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\BackupRestore\UseMicrosoftProvider = 1

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Veeam remove old jobs

select * from [backup.model.backups] where job_name = ‘Weekday B2D IPRecorder on Tape’

DECLARE @BackupID uniqueidentifier SET @BackupID = ‘{A2BF2695-1E48-4D96-8065-AB81FA55400F}’

delete [Backup.Model.OIBs] from [Backup.Model.OIBs] join [Backup.Model.Points] on [backup.model.oibs].point_id = [backup.model.points].id where [backup.model.points].backup_id = @BackupID delete [Backup.Model.OIBs] from [Backup.Model.OIBs] join [Backup.Model.Storages] on [backup.model.oibs].storage_id = [Backup.Model.Storages].id where [Backup.Model.Storages].backup_id = @BackupID delete from [backup.model.points] where backup_id = @BackupID delete from [Backup.Model.Storages] where backup_id = @BackupID delete from [Backup.Model.Backups] where id = @BackupID