Veeam Support - Case # 04051309

[gusgus]

After changing my AV to Kaspersky Cloud Free edition from Avira, I cannot backup my PC using Veeam Agent for Windows. My laptop still uses Avira and it works fine. I am backing up to a Freenas smb share. The error is at the VSS creation stage. I have added AV exceptions for Veeam as described in kb2034. Error below

Creating VSS snapshot Error: Failed to create snapshot: Backup job failed. Discovery phase failed. Cannot add volumes to the snapshot set. Cannot add a volume to the snapshot set. Volume name: [\\?\Volume{7280cb9b-0eef-4602-8216-6b1fc38dbb02}\]. Cannot check whether volume supported by the system software provider. VSS error: VSS_E_UNEXPECTED_PROVIDER_ERROR. Code:0x8004230f

What am I doing wrong?

[Dima P.]

Hello Angus,

To clarify: if you disable the AV completely backup works without any issues or you still have this error? Thanks!

[gusgus]

Well it seems Kaspersky is not the culprit. I uninstalled it and it gives the same error, even after deleting the backup job and creating a new one. The only other change is I have upgraded Freenas to 11.3 from 11.2. However my laptop has no problem with this.

[Dima P.]

Thanks for the update. Looks like the VSS component issue, can you please do the following:

1. Start command prompt as administrator (Start > Run > cmd)
2. In command prompt, launch vssadmin list providers command
3. Share the output with us

[gusgus]

Customer support are helping me with this via email. Thanks for your reply.