Hi, Almost identical problem for me, so I comment in this thread. Feels like I have tried everything and followed every guide/instruction without any sucess. Codesys 3.5.17 Wago 750-8212 with PFC200 SL ver 4.2 runtime up and running But reagardless what user/pass wd I try I always get this error: "Invalid user authentication on the target" (See picture) Ideas?