Aribo disputed with the Diocese of Hildesheim the jurisdictional right over Gandersheim Abbey, but Pope Benedict VIII found in favour of Hildesheim, a ruling which Aribo further disputed and ignored, without however denying the pope's right to judge.
Aribo also disapproved of Conrad's marriage to Gisela on the basis of consanguinity, challenging its legality.
Aribo expanded the economy of Thuringia by minting coinage at Erfurt, the oldest market and trading centre in the province.
Aribo had consecrated Saint Gotthard as bishop of Hildesheim on December 2, 1022.
This article about a Roman Catholic archbishop from Germany is a stub.