Unlike a traditional ISO you might burn to a DVD, the "Visual Studio 2017 offline installer" is a layout of files. Microsoft no longer distributes a single monolithic ISO file for VS 2017. Instead, you use the web bootstrapper to into a local folder, which you can then convert to an ISO or copy to a USB drive.
vs_community.exe --layout C:\VS2017Offline --add Microsoft.VisualStudio.Workload.ManagedDesktop --add Microsoft.VisualStudio.Workload.NetWeb --lang en-US Use code with caution. visual studio 2017 offline installer iso
The setup suite will launch instantly, retrieving components directly from the local layout folder without attempting an external internet handshake. Unlike a traditional ISO you might burn to
Having an ISO file on a network share or external hard drive means you can reinstall the development environment years later, even if Microsoft changes the download links or retires older versions of components. vs_community
Option A: Download a Complete Offline Repository (The "ISO" Equivalent)
If the installer still tries to go online, you may have missed some components. Re-run the --layout command with --includeRecommended and copy the missing packages to your layout.