Ok, I figured out how to do it, but that doesn't solve the problem. I need to convert live production images, not create a new ones. I don't have storage space available, nor I'm licensed for that much to do migration.

I need to be able to convert existing HA images to CDP without the loss of data.

Ok, version 6 is out, but it absolutely doesn't solve my issue. Veeam is still unable to use your Hardware VSS provider.
Has this been addressed in this version?

Thanks for the explanation. I'll be waiting for v6 then.

One more thing.
I also tried your Hyper-V backup plugin as suggested by support staff, with exactly identical result as Veeam. Both errors show up in event log.

1) I don't really want to share names in public forum, I can send you private message. 2) Hardware provider is installed on Hyper-V nodes, not on virtual machines or Veeam server. Hyper-V nodes are used as Veeam processing proxy. 3) I'm sure. I installed hardware provider only, the service VssHWProv...

Hello, I've run into some issues with your hardware VSS provider. I have the following setup: 2 node Hyper-V cluster, with Starwind Native SAN with HA targets. On top of this target I have CSV storage with bunch of VMs. I'm also using Veeam for backups. Every time I run backup, Veeam is unable to us...