When Server Manager creates the server folder structure, the following folders are created under the server root folder:
The default location is C:\SmartPlant Foundation Server Files. You can change this location when Server Manager is run for the first time, or you can move it later.
Backups - Used for database backups that are created by the Upgrade Wizard.
FileService - Used by the SPFViewDir virtual directory and for operations involving checking in/out files associated with documents.
FTP_Vaults - Keeps all the vaults in one location for easy management.
Although this is named FTP_Vaults, all vault file transfers in the current version are via HTTP.
LicenseServers - Keeps all license server files in one place.
SPFWebClient_Sites - Keeps all Web Client sites in one location for easier management.
Temp - Used to create subfolders and log files for the server and for debugging.
TraceLogs - Default location for the outputs of trace logs from the server, cache, configuration, file service, remote service, and license server tracing.
Web_Sites - Keeps all the sites in one location for easy management.