While Henry aimed to secure the enormous wealth deriving from the Rammlesberg silver mines as a royal demesne, the dissatisfaction of local nobles escalated with the Saxon Rebellion in 1073–75.
Kui Heinrich püüdis tagada Rammlesbergi hõbedakaevandustest tulenevat tohutut rikkust kuningliku omandina, laienes kohalike aadlike rahulolematus Saksi mässuks aastatel 1073–75.