 In 916–17 his primary concern was Saracen raids.In 920–21 he joined those noblemen, many of Burgundian origin like him, who supported the candidature of King Rudolf II of Burgundy for the Italian throne.Adalbert, with Lambert, Archbishop of Milan, and Count Gilbert of Bergamo, assembled a force in the mountains outside Brescia with the intention of marching on Verona and capturing Berengar there.