A watan Yuni na 1831, bayan mutuwar Field Marshal von Diebitsch, kwamandan sojojin Rasha a majalisa Poland, Paskevich ya zama magajinsa a murkushe tashin hankalin Poland. Rundunarsa, bayan nasarar nasarar Diebitsch a
Yaƙin Ostrołęka a watan Mayu, ya ci gaba a hankali, amma Paskevich ya fanshi sunansa a Yaƙin Warsaw, yana ba da mummunan rauni ga fatan Poland na dawo da 'yancin kai. An halicce shi "Sarkin Warsaw" kuma an ba shi ofishin Namestnik na Masarautar Poland. Tare da ikon mulkin mallaka na iyakance ta Tsarin Tsarin Mulki na Masarautar Poland, lokacin karkashin Namestnik Paskevich <unk> wanda aka sani a Poland a matsayin "Night Paskevich" <unk> ya zama sananne ga zalunci na siyasa da tattalin arziki, da kuma Russification.