Question: What is the status of the hadeeth: "Verily You shall open Constantinople. Its leader is good and so is that army."
Answer: It is acceptable (i.e. hasan or sahiih), as stated by Al-Haakim, Al-Dhahabiy and Al-Suyuutiy.
This weblog answers questions in fiqh based on the reliable answers of the salaf's 4 great schools of Islamic rules and laws, but emphasizes the Hanafi school.