Just an endless problem with the AI...

Level 14
Dec 12, 2009
If memory serves, the AI needs attack groups (telling it what units to include & how many of them to include) to be able to attack. It needs a minimum attack group and a primary attack group.

Be sure creep camps are included under the target priorities (0-9 & 10-100) in addition to enemy towns. If you don't want creeps to be attacked, set a condition for the army to have at least <max food size +100> or some other impossible to achieve criteria; do this for both creep requirements. I never could get the AI to attack properly without those activated.