Kerbrute enumeration only turned out to show the adminitrator user.
From the website I was able to validate all these users as valid.
─ kerbrute userenum --dc 10.10.10.193 -d fabricorp.local /home/kali/Fuse/Fuse/userlist.txt
__ __ __
/ /_____ _____/ /_ _______ __/ /____
/ //_/ _ \/ ___/ __ \/ ___/ / / / __/ _ \
/ ,< / __/ / / /_/ / / / /_/ / /_/ __/
/_/|_|\___/_/ /_.___/_/ \__,_/\__/\___/
Version: v1.0.3 (9dad6e1) - 08/17/22 - Ronnie Flathers @ropnop
2022/08/17 09:53:32 > Using KDC(s):
2022/08/17 09:53:32 > 10.10.10.193:88
2022/08/17 09:53:32 > [+] VALID USERNAME: sthompson@fabricorp.local
2022/08/17 09:53:32 > [+] VALID USERNAME: pmerton@fabricorp.local
2022/08/17 09:53:32 > [+] VALID USERNAME: bhult@fabricorp.local
2022/08/17 09:53:32 > [+] VALID USERNAME: tlavel@fabricorp.local
2022/08/17 09:53:32 > [+] VALID USERNAME: bnielson@fabricorp.local
2022/08/17 09:53:32 > [+] VALID USERNAME: administrator@fabricorp.local