Restore Point Selection for Weekly Backup (Synthetic Method)
Typically, when a weekly full backup is created, Veeam Backup & Replication takes a full backup as of this day and marks it as a weekly backup. In some cases, however, Veeam Backup & Replication may fail to find a full backup on the day when the weekly backup is scheduled. In this situation, Veeam Backup & Replication will use the nearest full backup file created within the next backup copy interval.
For example, you have set the backup copy interval to 1 week and started the backup copy job on Sunday. As a result, a new restore point is created every Sunday. When Veeam Backup & Replication transforms the backup chain, the full backup moves from the previous Sunday to the next Sunday.
Imagine the weekly backup is scheduled on Wednesday. As all backups are created on Sunday, Veeam Backup & Replication will not find a full backup as of Wednesday. For this reason, it will use the full backup from the next backup copy interval — a full backup as of Sunday.