In 990, Abu'l-Haret was sent by the Samanid ruler Nuh II to suppress the rebellion of the Turkic military leader Fa'iq.
Some time later, Abu'l Haret's relations with the Ghaznavid noble and Samanid general Sebüktigin and his son Mahmud began to flourish; they attacked Fa'iq and the Simjurid Abu 'Ali Simjuri at Herat, where they won a decisive victory over them.
Sebüktigin later died in 997, and his kingdom was soon thrown into civil war between his sons Mahmud and Ismail.
During the civil war, Abu'l Haret stayed neutral, and by 998, Mahmud managed to emerge victorious, and Ismail was shortly allowed to live at the court of Abu'l Haret.
1000 and was succeeded by his son Abu'l-Nasr Muhammad, who shortly became a vassal of the Ghaznavids.