KB1729: How to Move Veeam Backup & Replication Backup Files
https://www.veeam.com/kb172908.02.2013 · When the new repository is selected within the job, Veeam Backup & Replication will check if the backup files in the selected repository match the existing repository. If matching files are found in the new repository, the job will auto-map to backup files in the new repository. Disable the backup job/jobs which are going to be moved.