Before diving into the thick of the troubleshooting, it is important to understand that your Internet Service Provider
(ISP) and the way you share the connection speed
play a huge role in how you experience the game.
To try improving your overall connection to the game and its features, try the below steps in the order listed.
Please try connecting to the game after completing each step to see if the issues have been resolved.
• Enable UPnP.
Please contact your ISP for additional information and help with enabling this feature.
Below are the ports you need for Heroes of Might & Magic III HD:
TCP: 8766, 27015, 27016.
UDP: 8766, 27015, 27016.
This step will also help you establish an Open NAT
for your connection with the game.
If you continue to experience issues with your connection to the game, please get in touch