Veeam Support Knowledge Base
Backup Failure: "There are currently x usable fault domains. The operation requires y more usable fault domains."

Backup Failure: "There are currently x usable fault domains. The operation requires y more usable fault domains."

KB ID:	2225
Product:	Veeam Backup & Replication
Published:	2017-01-18
Last Modified:	2022-07-12

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Challenge

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.

Cause

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

Solution

Per VMware KB58919: SAN -- Creating/Reverting Snapshots fails -- Fault Domain Error:

"Ensure that all configured Fault Domains are online."

More Information

This error stems from an issue within the VMware Environment. When the underlying vSAN issue is resolved, the Veeam Backup & Replication job will be successful.

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