Additional Info:

This issue is blocked by a Windows bug in IcmpCreateFile API: fails when called from within a UWP App Container (returns E_ACCESSDENIED).

Steps to reproduce:

1. Open attached project "970447.zip"
2. Build "Test" scene for UWP
3. Open VS solution
4. Build and deploy on local machine
5. Wait until Ping is done (~30sec)

Actual result: Ping fails and an exception is thrown when Ping.isDone

Ping failed, RemoteAddress: 8.8.8.8, Exception: 'A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.

Reproducible with: 2017.1.2p3, 2017.2.0p2, 2017.3.0b10, 2018.1.0a5
Not reproducible on Editor and Standalone

Callstack with il2cpp scripting backend:

KernelBase.dll!_RaiseException@16() Unknown Non-user code. Symbols loaded.
msvcp140d_app.dll!0fbb7b99() Unknown Non-user code. Cannot find or open the PDB file.
[Frames below may be incorrect and/or missing, no symbols loaded for msvcp140d_app.dll] Annotated Frame
[External Code] Annotated Frame