Once appointed in March 1917, Arz made every effort to comply with the Emperor's wishes, but unlike his predecessor he acted as a personal advisor to the Emperor on army matters, rather than as a driver of his own strategy, which had been Conrad's hallmark. His tenure at the head of the army saw increasing German control over Austro-Hungarian forces and reduced independence of action, but also a number of notable victories in the spring and summer of 1917, including the clearing of Galicia and the Bukovina, as well as the breakthrough at Flitsch Tolmein and the great victory at Caporetto later in the year.