port forwarding works on one computer but not the other

pepperoni_guy_2003

Estimable
Sep 14, 2014
2
0
4,510
okay so i have 2 desktops connected to the internet via an ethernet switch, one of them can port forward fine but the other cannot. when i use an online port checker or try to connect to it from another pc it doesnt work but when i use a port checking application it says the port is open.