 In 1907, Sarris was promoted to the rank of second lieutenant, serving as in Crete as commander of various police departments until 1912.In October 1912, Eleutherios Venizelos ordered the entire Cretan gendarmerie to be transported to Thessaloniki.There Sarris married Calliope Tatti, the great-granddaughter of Constantine Tattis, a member of the Filiki Eteria.