On 27 February 1702 he sailed for Flanders, to take part in the War of the Spanish Succession. He was promoted lieutenant-general on 11 February 1703. In 1704, he commanded the British horse at the Battle of Schellenberg, and subsequently fought at Blenheim, Ramillies, Oudenarde and Malplaquet. He served as Governor of Jersey from 1704 to 1722. On 30 January 1711, he was promoted general. Like his former commander Marlborough, he was a Hanoverian Tory who supported the Hanoverian Succession of 1714.