1. Click 'Start,' then click on 'Control Panel.' Click 'Network and Internet' and 'Network and Sharing Center.' Open the network connection settings by clicking 'Manage Network Connections.'
2. Right-click the listed network adapter used for your Internet connection and click 'Disable' to turn off the network connection. Keep this window open.

3. Open 'Dungeon Siege II,' then enter the multi-player LAN lobby. No games will be found due to the network adapter being turned off.
4. Press 'Alt' 'Tab' to switch to the network settings window. Right-click the adapter turned off in Step 2, then click 'Enable.'
5. Press 'Alt' 'Tab' to switch back to 'Dungeon Siege II.' Click 'Refresh' to search for LAN games, then select the game you want to enter.