You can configure a host using a Microsoft Windows or Microsoft Active Directory user database to use Windows permissions for user permissions to files and folders on the file transfer server. This lets you consolidate your users and permissions so that you can minimize duplicated maintenance effort.
When this option is enabled, Windows file permissions are used in addition to the permissions explicitly configured in WS_FTP Server, with the most restrictive permission granted to the user.
Note: If you opt to use an external database, users cannot authenticate over SSH using public key authentication. Because no key is associated with the Windows user account, users must authenticate using a password.
To use Windows file permissions: