"The security database on the server does not have a computer account for this workstation trust relationship"
secpol.exe
https://www.winhelp.info/windows/resolve-kerberos-error-0xc000006d-in-windows/
netdom.exe resetpwd /s:<server> /ud:<user> /pd:*
<server> = a domain controller in the joined domain
<user> = DOMAIN\User format with rights to change the computer password (ie. your admin account)
http://implbits.com/active-directory/2012/04/13/dont-rejoin-to-fix.html