 His adjutant, Karl Kaleske wrote of the deportations carried out following the uprising to Auschwitz concentration camp and other camps where "special action" was required.Jürgen Stroop's report on the Warsaw Ghetto Uprising contains a photograph of Herff and Stroop taken during the May 1943 visit and confirms Von Herff's visit to the Ghetto 14 May 1943.On 20 April 1944, Herff was promoted to SS-"Obergruppenführer" (SS general).