 This most likely frustrated Narseh, who held the title of "Vazurg Šāh Arminān" ("Great King of Armenia"), which was used by the heir to the throne.Bahram II's accession is mentioned in the narratives included in the history of the medieval Iranian historian al-Tabari;

Bahram II was met with considerable challenges during his reign.His brother Hormizd I Kushanshah, who governed the eastern portion of the empire (i.e., the Kushano-Sasanian Kingdom), rebelled against him.