233Figure 4-364.8.2.8 UPnPFrom main window->Setup->Network->UPnP, here user may also add, modify or remove UPnP item. SeeFigure 4-37.It allows you to establish the mapping relationship between the LAN and the public network. In the Windows OS, From Start->Control Panel->Add or remove programs. Click the “Add/RemoveWindows Components” and then select the “Network Services” from the Windows ComponentsWizard. Click the Details button and then check the “Internet Gateway Device Discovery and Control client”and “UPnP User Interface”. Please click OK to begin installation. Enable UPnP from the Web. If your UPnP is enabled in the Windows OS, the NVR can auto detect itvia the “My Network Places”