Kammala jumla mai zuwa: Troubetzkoy ya sami ilimi a gida, tun daga 1806 yana halartar laccoci a Jami'ar Moscow. A cikin 1808 ya shiga Leib Guards Semyonovsky regiment. A matsayinsa na soja, ya halarci dukkan manyan fadace-fadace na kamfen na Kungiya ta shida a 1812-1814 gami da yakin Borodino, yakin Maloyaroslavets,
Yaƙin Lützen, yaƙin Bautzen da yaƙin Kulm kuma ya sami umarni da yawa. A yakin Leipzig ya ji rauni sosai. Bayan yakin ya ci gaba da aikin soja kuma a 1821 an daukaka shi zuwa Kanal.