[2] He entered the Russian Imperial Army on 9 August 1867 and in 1870 he graduated from the Vilnius Military School in the first category with the rank of praporshchik (ensign).

From 4 October 1888 to 17 June 1895, he was a staff officer in the management of the head of the 10th local brigade and was promoted to lieutenant colonel with seniority on 4 September 1889.

[3] From 1 May to 1 September 1892, he served the qualifying command of a battalion in the 58th Prague Infantry Regiment [ru] and was promoted to colonel on 23 March 1893.

[2] On 31 December 1913, Oganovsky was promoted to the rank of General of the Infantry with dismissal from service according to the age qualification.

With the outbreak of the First World War, he was returned to service and assigned to the reserve ranks at the headquarters of the Kiev Military District.

On 19 December 1915, he was dismissed from office due to illness and was assigned to the reserve ranks at the headquarters of the Petrograd Military District.