Plattner received his honorary doctorate in 2002, and his honorary professorship in 2004 from the University of Potsdam. He had also received an honorary doctorate (1990) and an honorary professorship in Information Systems (1994) from the Saarland University, Saarbrücken. The same university named him an honorary senator in 1998.Verleihung der Würde eines Ehrensenators, Saarland University, January 1999.
