How to reset CBT (Change Block Tracking) in Veeam

Written By Christian Castagna (Administrator)

Updated at March 19th, 2025

IMPORTANT

This operation must be performed for all Veeam backup jobs whose VMs are also protected via SynetoOS.

 

Step 1. Launch the Veeam Backup & Replication console

Step 2. From the left panel, click on Jobs and then on Backup

Find the backup job of the VM for which you want to modify the settings.

 

Step 3. Right-click on the backup job and select Edit

 

Step 4. From the left panel, select Storage


 

Step 5. Click on Advanced


 

Step 6. Click on vSphere tab


 

Step 7. Disable the option Reset CBT on each Active Full backup automatically


 

Step 8. Click OK and then on Finish