? How do I download / get / install Halo 2 PC? – The basics are covered here, and can get you set up quickly: http://www.h2v.online/install/
? I’m getting a MSVCR120.dll error? – Download and install Visual C++
? My game tells my I’m missing a .dll file (such as d3d9.dll) – Download and install the DirectX Runtime: https://download.microsoft.com/download/1/7/1/1718CCC4-6315-4D8E-9543-8E28A4E18C4C/dxwebsetup.exe
? My game says my game version is out of date – Download the latest Halo 2 PC update from here: https://goo.gl/jVID5O
? When I host a game, people are unable to join – Be sure TCP/UDP ports 2000 – 2009 are forwarded. Check Windows Firewall to be sure halo2.exe is not blocked on both inbound and outbound connections.
? I can’t see any games in the network server browser – Navigate to your game folder, open xlive.ini in a text editor, and change base_port = 2000 to base_port = 5000 or some other random number under 65520. Save, exit, and restart Halo 2.