Live link no connection with Maya

hi, can someone help me with live link, 3 day looking for solution.
livelink doesnt see maya :frowning:
antivirus and firewall are disabled. ue4 4.19.2 maya 2018.3

4.20.2 can do it

Hi,have you solved the problem?I get the same problem using ue4 4.23.1 maya 2018