Under certain circumstances, VMware Change Block Tracking (CBT) may be unavailable to Veeam Backup &
Replication. What effect will a lack of CBT information have on the Veeam backup job?
A.
Veeam will perform a full backup automatically
B.
You will not be able to later copy this file to tape or offsite
C.
The backup job will fail
D.
The backupjob duration will increase
May be D?
“Note that if you choose to run incremental jobs with CBT disabled, the backup window may increase dramatically, as Veeam Backup & Replication will read all VM data to detect what blocks have changed since the last job session.”
https://helpcenter.veeam.com/docs/backup/hyperv/changed_block_tracking.html?ver=95
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