Ilyasa b. Muhammad quickly angered the neighboring Buyids under 'Adud al-Daula by arguing over some territory on the border of Kerman and Fars. Before invading Kerman, 'Adud made sure to win over members of Ilyasa's army.
Ilyasa b. Muhammad's actions provoked the Buyids under 'Adud al-Daula by disputing territory near Kerman and Fars. Before attacking Kerman, 'Adud sought to secure support from members of Ilyasa's army.