Too Many Restore Points – Backup Job - Veeam Software
https://www.veeam.com/kb199019.01.2015 · C2. Not enough free space for a new full backup to be created. This is often caused by a misunderstanding regarding the number of full restore points a job will be required to maintain. For a job that is configured to have a weekly full restore point, you will need 1 full point for every 7 restore points set in retention, plus 1.