I have 4 S2s on my wireless network. As of yesterday none of the S2s are visible on the other's Now Playing screens.
All 4 devices are visible on my network.
All 4 devices have video sharing and video downloads enabled.
All 4 devices have been restarted.
All 4 devices successfully connected to the tivo server after the restart.
I've made no changes to my network.
Any and all help is appreciated.