XBOX Live status is currently up.
Yet when i launch plex on my xbox one i am receiving a check your connection error message that states "to start plex, we need to connect to xbox live, Make sure your xbox is online then sign in and try again. ( 0x87de2714)
I am online and connected to xbox live. Not having any issues with other network apps like netflix at this time.
im on the latest version of Plex.