During World War II, the Palace became the Wehrmacht's General Command headquarters for Wehrkreis XII. This military district included the Eifel, part of Hesse, the Palatinate, and the Saarland.
During World War II, the Palace became the Wehrmacht's General Headquarters for Wehrkreis (military district) XII under the command of "General der Infanterie" Walther Schroth. This region included the Eifel, part of Hesse, the Palatinate, and the Saarland.