Local Network farm
During you install/run MT5 Agent Manager, it has added rule into Windows Firewall.
Just check "Inbound rules" section -> "MetaTrader 5 Strategy Tester Agent", click "Advanced" tab,
make sure "Profiles" type matching your Windows network profile (on Agent workstation),
also go through "Interface types", default only "Local area network" checked, in some case, you need to check "Wireless".
- cloud.mql5.com