 In 1901-1905, Dubasov was appointed chairman of the Naval Technical Committee of the Russian Admiralty.In June 1905 he was elected a permanent member of the State Defense Council.In 1905 he was the Russian representative on the international committee investigating the Dogger Bank incident

In 1905 Admiral Dubasov was put in charge of punitive expeditions charged with crushing peasant rebellions in Chernigov, Poltava, and Kursk guberniyas.