What's Windows Device Portal?
Windows Device Portal is the web management for Windows Devices. You normally turn on the Device Portal at Settings => Update and Security => For developers => Developer mode => Enable Device Portal. But in IoT, this settings has been enabled so you don't need to enable it. For the build 2015: You need to open your browser then enter the IP Address of your Device or right-click at the device name in Dashboard then choose Open in Device Portal. If you are using the newer version, enter the IP Address first then :8080
My browser says that is the Windows Device Portal web isn't found. Why?
Windows Device Portal works best in Microsoft Edge. So open Microsoft Edge browser. Or you enter the wrong ID Address (this app use the IPv4 IP Address, not IPv6 IP Address), your device not connected to the Internet, this website has lost connection from the server, ...
Visit the Windows Device Portal for IoT Devices at here.