In the Spanish War of Succession, Verboom was in command of Antwerp's defenses in 1702. He also took part in the siege of Hulst along with Captain General Isidro de la Cueva-Benavides. In 1706, the Frenco-Spanish Army—commanded by François de Neufville, duc de Villeroi—was defeated by troops commanded by the Duke of Marlborough at the Battle of Ramillies. Troops from Antwerp were used to put pressure on the British at the siege of Termonde. In 1709, Verboom was instructed to report on the state of castles and garrisons along the Spain–Portugal border.