Restricting the network isolation of Modern applications in Windows 8 systems

Sometimes, when the default network proxy server in the company is not working, the IT administrator may ask the user to manually specify another LAN proxy server. At this time, Modern Apps can't access the Internet, which is really depressed. In fact, we There are ways to remove the restrictions on network isolation.

Operation Steps

Windows
8 has a built-in command line tool for the convenience of Modern Apps developers to diagnose network problems. We can use it to add some Modern Apps to the network quarantine exclusion list.

Here we use the LoopbackExempt parameter to achieve our needs. For this parameter, its use also has specific secondary parameters that need to be specified.

The program help is very clear, so I won't go into details here. Here, I want to remind everyone that because the AppContainer or the SID of the package is hard to find (requires the registry), I personally recommend that you use –n=[Name] to operate the network through AppContainer or package name. Isolation exemption. Because the way to get the name is very simple, as long as you open the %LocalAppData%\\Packages path, the names of the following folders are the names of the individual Modern Apps, which are available for easy copying and pasting.

Here, we assume that the default proxy server is broken now, I set up the LAN proxy in the desktop environment, then I need to use the app store to update several of my applications, then I will add a network quarantine exemption for it: execute "CheckNetIsolation.exe LoopbackExempt -a -n=WinStore_cw5n1h2txyewy" to add the app store to the exempt list. To verify the list of exemptions, we use the "CheckNetIsolation.exe LoopbackExempt -a -s" command: