Posts Tagged ‘Hyper-V IC Software Shadow Copy Provider’’

I have recently converted a Hyper V Vm to vmware 

Trying to use Veeam to back it up , and displayed the following error

18/12/2021 4:53:15 PM :: Failed to prepare guest for hot backup. Error: VSSControl: -2147212529 Backup job failed. Discovery phase failed. Cannot add volumes to the snapshot set. Cannot add a volume to the snapshot set. Volume name: [\\?\Volume{70835baf-895e-480d-aea3-8ecd4db01046}\]. Cannot add volume to the set of volumes that should be shadowed. VSS error: VSS_E_UNEXPECTED_PROVIDER_ERROR. Code:0x8004230f

Per Veeam article this is due to VSS write issue 

I saw an old Hyper V VSS Writer : Hyper-V IC Software Shadow Copy Provider

Unforunelty this is integrated into the OS 

So had to manually remove from Registry

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\VSS\Providers\{74600e39-7dc5-4567-a03b-f091d6c7b092}] 

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