When Kong Yuxun (孔毓珣) was summoned for an audience with the emperor in 1726, Akdun was sent to take his place as acting governor-general of Guangdong and Guangxi, and in addition was made Tartar General of Canton.
This campaign was a failure and proved embarrassing to the government, in 1734 Akdun was made assistant to Funai (傅鼐) in the peace negotiations held at the tribal headquarters at Ili.
In 1748 an error was made in the Manchu translation of an edict framed by the Hanlin Academy conferring a posthumous title upon Consort Donggo.
Soon after, he was re-appointed president of the Board of Punishments, serving concurrently as lieutenant-general of the Chinese Bordered White Banner, and later as chancellor of the Hanlin Academy.
During his last years of service, when the emperor was journeying to Jehol, Henan, and Fengtian, he was entrusted three times (1749, 1750, and 1754) with the conduct of affairs at the capital.