Backup Chain - User Guide for VMware vSphere
helpcenter.veeam.com › docs › backupJun 01, 2021 · By default, during every backup job session Veeam Backup & Replication writes data of all VMs to the same backup file. If necessary, you can instruct Veeam Backup & Replication to create per-machine backup chains — that is, produce a separate backup chain for every VM added to the backup job. For details, see Per-Machine Backup Files.