KB3169: Changed block tracking cannot be enabled: one or ...
https://www.veeam.com/kb316906.05.2020 · After upgrade to Veeam Backup & Replication 10, the Backup of a VM using Cisco HyperFlex Snapshots completes with the warning "Changed block tracking cannot be enabled: one or more snapshots are present" if a Sentinel snapshot is already present. The described issue with Cisco HyperFlex Snapshots was resolved in Veeam Backup & Replication v11.
Changed block tracking cannot be enabled ... - Veeam Software
www.veeam.com › kb3169May 06, 2020 · After upgrade to Veeam Backup & Replication 10, the Backup of a VM using Cisco HyperFlex Snapshots completes with the warning "Changed block tracking cannot be enabled: one or more snapshots are present" if a Sentinel snapshot is already present. The described issue with Cisco HyperFlex Snapshots was resolved in Veeam Backup & Replication v11.