Network Diagnostics problem please help

Hi,like for 3 months i can not play online,when I tried its giving me network diagnostics probelm bla bla…
I tried literally every solution,literally every,cmd commands,device manager,services…But nothing can help me…
My xbox app network states are nice and true.Everything,every state is fine.Like nat type:open,server connected,there is no packet loss or ms,xbox live services is working
i opened ports for forza horizon in my router…
but im stlil getting this error…please help me…Someone know the way please…

You need to deactivate “Toredo-Filter” in your router configuration. Fritzbox is: Fritz.box → Internet → filters → lists → at the bottom there is the Toredo filter option with marked. Unmark it, save it, play it.