After re-participation in the war, he held a clerkship in Erfurt, and from 1818 onwards, lived in Berlin.
Due to the Persecution of Demagogues, he was arrested on 8 July 1819 but released ten weeks later.
[citation needed] In 1825, von Henning was appointed associate professor of philosophy at the University of Berlin; in 1835 he was awarded a full professorship.
From 1827 he was editor of the Jahrbücher für wissenschaftliche Kritik (Annals for scientific criticism), which for 20 years was the most influential Hegelian magazine.
In a document from 1839, he was one of the owners of the Henningshofs in Wandersleben, being named as the ancestral seat of the Henning family.