Snapshot Delivery
The publication being subscribed to allows Subscribers to use alternate snapshot locations or file transfer protocol (FTP) to download the snapshot file over the Internet. If the Subscriber does not have direct network access to the snapshot files at the time the subscription is initialized, Microsoft® SQL Server™ can copy the snapshot file over the Internet using FTP.
Select Use snapshot files from the default snapshot folder for this publication to access snapshot files in the default location for this Publisher.
Select Use snapshot files from the following folder to specify another location that the Subscriber can access where the snapshot files are located.