I tried to turn it on around 8:50 pm. Here, "SURFACE\name" is my MS account.
> 4/9/2018 8:49:40 PM Remote Desktop Services: Session logoff succeeded: User: SURFACE\name Session ID: 3
> 4/9/2018 8:49:40 PM Session 3 has been disconnected by session 3
> 4/9/2018 8:49:40 PM %s from %S( #0x%x/0x%x )
> 4/9/2018 8:49:40 PM Session 3 has been disconnected, reason code 11
> 4/9/2018 8:49:41 PM Session 4 has been disconnected, reason code 11
> 4/9/2018 8:49:41 PM Remote Desktop Services: Session has been disconnected: User: SURFACE\name Session ID: 3 Source Network Address: LOCAL
> 4/9/2018 8:51:00 PM Begin session arbitration: User: SURFACE\name Session ID: 4
> 4/9/2018 8:51:00 PM End session arbitration: User: SURFACE\name Session ID: 4
>4/9/2018 8:51:00 PM Remote Desktop Services: Session logon succeeded: User: SURFACE\name Session ID: 4 Source Network Address: LOCAL
>4/9/2018 8:51:00 PM Remote Desktop Services: Shell start notification received: User: SURFACE\name Session ID: 4 Source Network Address: LOCAL
I am not sure if the entries at 8:49 pm is what I saw as the "remote session active". Also, I am not sure if this LocalSessionManager is the right place to look.
[0] https://docs.microsoft.com/en-us/windows-hardware/customize/...