Reinstated, he fought at the First Battle of Stockach on 25 March 1799, but disagreement with General Jean Moreau led to his being sent to occupation duties in Holland.

At the Battle of Austerlitz in 1805, he led his division, alongside Gen. St. Hilaire's, as part of Marshal Soult's IV Corps in the charge that captured the Pratzen Heights.

[5] Reportedly a brutal and violent soldier, renowned for insubordination and looting, Napoleon is said to have told him, "If I had two of you, the only solution would be to have one hang the other".

While his troops were engaged in the Battle of Kulm, a corps led by the Prussian General Friedrich Graf Kleist von Nollendorf fortuitously attacked the French from the rear.

[8] In his captivity, he appears to have been treated with special harshness, and at the end of the war, he was forbidden to enter Paris and sent to Cassel by Louis XVIII.