Висло-Одерская операция
Harpe served on the Eastern Front, where he commanded XXXXI Panzer Corps and the 9th Army. From September 1944 to January 1945 Army Group A, when he was relieved of his command due to the inability of German forces to stop the Soviet Vistula–Oder Offensive. He ended the war commanding the 5th Panzer Army on Western Front.