I tested, press for 10 seconds de sync button of procontroller
Go to pair controllers, and select it PRO Controller from the List.

when i reset donset save the pair.

This is my Router Config. Its enabled.

@acris

I hash all roms
RPi3
When i host, i cant i get this error
When i try to connect to another Host, i get the same error
Recalbox Player with the Last Version. (Same Roms - Same Core - Same Hash) (I made a cloned image, to have all the same things configured)

I have all games scrapped, i need to do that again?

Hello!
I trying to make work Netplay, i have the same rom, same hash, same core and all.
But when i try to enter i get black screen for a coulple of minutes then says "Failed Netplay" and backs to the home screen.
What im doing wrong?

I have the same games and system and all, i just clones my sd, and put it in another Raspberry.