KB1790: Veeam Backup Temporary Snapshot
https://www.veeam.com/kb179009.07.2013 · If a snapshot named VEEAM BACKUP TEMPORARY SNAPSHOT is found on a VM, confirm that no active jobs are running in Veeam Backup & Replication. Then, remove the snapshot using the Delete or Delete All buttons in the Snapshot Manager. Note: A VMware Snapshot is a delta file containing all changes to a VM since the creation of that snapshot.