工兵
Dutov was born in Kazalinsk in Syr-Darya Oblast (now Kazaly in Kazakhstan). He graduated from Nikolayev Cavalry School and Nikolayev Engineering Institute, now Military engineering-technical university (Russian ), and General Staff Academy (1908). He was assistant commander of the Cossack regiment during World War I. After the February Revolution, Dutov was appointed head of the All-Russian Cossack Army Union, then chairman of the counterrevolutionary All-Russian Cossack Congress (June, 1917), and then Chief of the Army Administration and ataman of the Orenburg Cossack Army (September).