Impossible to play online (err 20115)

[mbc07]

Check if you have a DWC_AUTHDATA file in User\Wii\shared2. If you have, try deleting it before booting the game...

Amario130 Wrote:You need NAND Dumps in order to connect to Wifi

No, you don't. The only thing required to use Nintendo WFC in Dolphin is the certificates. If you want to use DLCs, then you'll need also a keys.bin file dumped from a real Wii, but in any case a complete NAND dump isn't required...