http://blogs.msdn.com/b/repltalk/archive/2010/07/14/snapshot-files-deleted-when-quot-immediate-sync-n-true-quot-and-quot-retention-0-quot.aspxSnapshot Files deleted when "@immediate_sync = N'true'" and "@retention = 0". As mentioned in previous post the @immediate_sync = N'true' allows you to add a new Transactional Replication subscriber anytime during the Retention Perioden-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)