[Samba] Samba 4.8 RODC not working

Rowland Penny
2018-06-13T08:27:21Z

7142 ?        S      0:00 /usr/sbin/smbd -D --option=server role
check:inhibit=yes --foreground
 7184 ?        S      0:00 samba: conn[rpc] c[ipv4:192.168.0.53:36870]
s[ipv4:192.168.0.6:49153] server_id[7184]
11917 ?        Ss     0:00 /sbin/rpcbind -w
16828 pts/0    R+     0:00 grep -E ntp|bind|named|samba|?mbd
23980 ?        Ss     0:00 samba: root process
23998 ?        S      0:00 samba: task[s3fs_parent]
23999 ?        S      2:45 samba: task[dcesrv]
24000 ?        S      0:00 samba: tfork waiter process
24001 ?        S      0:03 samba: task[nbtd]
24002 ?        Ss     0:01 /usr/sbin/smbd -D --option=server role
check:inhibit=yes --foreground
24003 ?        S      0:00 samba: task[wrepl]
24004 ?        S      0:01 samba: task[ldapsrv]
24005 ?        S      0:02 samba: task[cldapd]
24006 ?        S      0:08 samba: conn[kdc_tcp] c[ipv4:192.168.0.88:40340]
s[ipv4:192.168.0.6:88] server_id[24006.42]
24007 ?        S      5:47 samba: task[dreplsrv]
24008 ?        S      0:00 samba: task[winbindd_parent]
24009 ?        S      0:00 samba: tfork waiter process
24010 ?        S      0:00 samba: task[ntp_signd]
24011 ?        S      0:06 samba: task[kccsrv]
24012 ?        Ss     0:49 /usr/sbin/winbindd -D --option=server role
check:inhibit=yes --foreground
24013 ?        S      0:16 samba: task[dnsupdate]
24020 ?        S      0:00 /usr/sbin/smbd -D --option=server role
check:inhibit=yes --foreground
24021 ?        S      0:00 /usr/sbin/smbd -D --option=server role
check:inhibit=yes --foreground
24022 ?        S      0:01 winbindd: domain child [SAMDOM]
24023 ?        S      0:00 winbindd: idmap child
24039 ?        S      0:00 winbindd: domain child [BUILTIN]

The out put of 'pstree', produces this (cropped):

init─┬─chronyd
     ├─named───4*[{named}]
     ├─samba─┬─samba───samba───smbd─┬─cleanupd
     │       │                      ├─smbd
     │       │                      └─smbd-notifyd
     │       ├─2*[samba───samba]
     │       ├─8*[samba]
     │       └─samba───samba───winbindd───3*[winbindd]