A Veeam Backup & Replication job protecting a VM stored on a vSAN fails with the error:
Error: There are currently x usable fault domains. The operation requires y more usable fault domains.
This error is relayed from the snapshot operation failure message within the VMware Environment.
For more information, review: VMware KB58919: SAN -- Creating/Reverting Snapshots fails -- Fault Domain Error
Per VMware KB58919: SAN -- Creating/Reverting Snapshots fails -- Fault Domain Error:
"Ensure that all configured Fault Domains are online."
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