goodcloud site can remote desktop between two site ?

Just add two router mt2500 and mt3000 to goodcloud and status connected,but i can’t remote desktop between two site computer both window10 , is there any ip range i made mistake ? sorry for. I m newbie in this ! thank you very much for that.

Maybe you can give more details. Like any screenshots that show the S2S network is actually connected.

Make sure that the Windows Firewall allows RDP from the networks you are connecting from.

if site to site , did two site included in one network ?