What can be wrong?
[global]
workgroup = EVEREST
realm = EVEREST.LOCAL
server string = Zentyal Server
server role = active directory domain controller
passdb backend = samba_dsdb
log file = /var/log/samba/samba.log
server signing = if_required
load printers = No
printcap name = /dev/null
disable spoolss = Yes
show add printer wizard = No
server services = s3fs, rpc, wrepl, ldap, cldap, kdc, drepl, winbind, ntp_signd, kcc, dnsupdate
rpc_server:tcpip = no
rpc_daemon:spoolssd = embedded
rpc_server:spoolss = embedded
rpc_server:winreg = embedded
rpc_server:ntsvcs = embedded
rpc_server:eventlog = embedded
rpc_server:srvsvc = embedded
rpc_server:svcctl = embedded
rpc_server:default = external
server role check:inhibit = yes
idmap config * : backend = tdb
map archive = No
map readonly = no
store dos attributes = Yes
vfs objects = dfs_samba4, acl_xattr
[netlogon]
path = /var/lib/samba/sysvol/everest.local/scripts
browseable = No
[sysvol]
path = /var/lib/samba/sysvol
read only = No
[homes]
comment = Home Directories
path = /home/%S
read only = No
create mask = 0611
directory mask = 0711
browseable = No
vfs objects = acl_xattr, full_audit
full_audit:failure = connect opendir disconnect unlink mkdir rmdir open rename
full_audit:success = connect opendir disconnect unlink mkdir rmdir open rename