This topic provides best practices for building Windows applications on File Storage NAS.IIS serviceAccess Alibaba Cloud NAS from Windows IISAccess controlUse an Active Directory domain for user identity authentication and file-level access controlJoin an SMB file system mount target to an Active Directory domainMount and use an SMB file system on a Windows client as an Active Directory domain userData accessUpload data to and download data from an SMB file systemWindows toolsUse Windows Server Backup to back up data from an ECS instance to NAS