zFTPServer is a high performance managed file server for Windows (32-bit and 64-bit) with easy remote administration and fully integrated with all relevant file transfer protocols; FTP, FTPS, SFTP, TFTP and HTTPS. zFTPServer also runs with AD-integrated user login, has IPv6 support and is Microsoft Server 2012 R2-certified. Active Directory Integration. Enable ftp access for Windows users. zFTPServer handles Windows or Active directory authentication automatically without the need to manually import users and sync user data. zFTPServer can also override and complement user data, offering powerful, simplified management, and superior ease of use.