The difficulty on the server is set to normal which means that 50% of the time a villager will get converted into a zombie and 50% of the time the villager would die. I tried to convert 7 villagers into zombies but they all died. If zombifying isn't disabled, there would be less than 1% chance that 7 villagers died in a row instead of getting converted. So before I waste more villagers, I wanted to make sure if zombifying is disabled or not?