
As descrived in the previous post (Optimize the consumed space of the Veeam Backup Catalog) the Veeam Backup Catalog is a feature of Veeam Backup & Replication that stands for VM guest OS file indexing.
It’s not a server role, but it’s a service of the Veeam Server, for this reason required space must be planned carefully.
By default, the indexing data is stored in the VBRCatalog folder (C:\VBRCatalog) on the Backup Server.
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