There was a problem establishing a connection to the media server error

[JPC]

 My updated iOS phone throws this error using the updated Arlo App. Two of my Pro cams are set to trigger each other whenever there's motion & record. Both have slightly different settings on Sensitivity and Record Time. When I'm using live view on one, the other would throw this error when it detects motion and not record. I noticed also in this setup that when one detects motion continually and the other is still recording, the other would detect motion but not record until the other is finished recording or vice versa. This might be a bug? Just wanna' see if anyone experienced it also.. If not, Oh well.. too bad it doesn't work the way I wanted to. For a quick fix, I stop doing this setup for now. 

[JamesC]

JPC,

When using a cross-record configuration (Cam A triggers B, B triggers A) it is advised to set the cameras to the same recording length as some users do experience issues like what you are describing.

JamesC