Under Setup, Options, Network Adapters make sure to use the dropdown to select the IP address of your PC on the LAN
The IP of your PC and the M1XEP should be in the same range for example 192.168.1. xxx and 192.168.yyy
On the Account Detail screen the System URL/IP is the address of the M1XEP
Port 2601
The option “Connect Non-Secure” should NOT be checked