I remembered a previous Win11 update and tried to run the netcheck agaion (server wiki) in CMD
CheckNetIsolation.exe LoopbackExempt –a –p=S-1-15-2-1958404141-86561845-1752920682-3514627264-368642714-62675701-733520436
After this I was able to connect to my lokal game again
GBinquisitor
I remembered a previous Win11 update and tried to run the netcheck agaion (server wiki) in CMD
CheckNetIsolation.exe LoopbackExempt –a –p=S-1-15-2-1958404141-86561845-1752920682-3514627264-368642714-62675701-733520436
After this I was able to connect to my lokal game again