In 1729 he was appointed lieutenant-colonel ("Oberstleutnant") and the next year (18 July 1730) colonel ("Oberst") of the Regiment "Palffy". In January 1732 he even got his own 8th Infantry Regiment. Briefly after the outbreak of War of the Polish Succession (1733-1735/1738; since 1734 Generalfeldwachtmeister) he served in the following campaigns in northern Italy. He distinguished himself, especially in the Battle of San Pietro, where he was wounded in the face, and was promoted to Lieutenant field marshal (Feldmarschall-Leutnant) before the end of the war (on 30 April 1735).