--- samba-4.7.4/packaging/systemd/smb.service.in.orig	2017-12-26 18:26:31.457609415 +0100
+++ samba-4.7.4/packaging/systemd/smb.service.in	2017-12-26 18:27:11.460942304 +0100
@@ -8,6 +8,7 @@
 PIDFile=@PIDDIR@/smbd.pid
 LimitNOFILE=16384
 EnvironmentFile=-@SYSCONFDIR@/sysconfig/samba
+ExecStartPre=/bin/sh -c '[ "`samba-tool testparm --parameter-name="server role" 2>/dev/null | tail -1`" != "active directory domain controller" ]'
 ExecStart=@SBINDIR@/smbd --foreground --no-process-group $SMBDOPTIONS
 ExecReload=/bin/kill -HUP $MAINPID
 LimitCORE=infinity
--- samba-4.7.4/packaging/systemd/nmb.service.in.orig	2017-12-26 18:26:31.457609415 +0100
+++ samba-4.7.4/packaging/systemd/nmb.service.in	2017-12-26 18:27:32.350942051 +0100
@@ -7,6 +7,8 @@
 Type=notify
 PIDFile=@PIDDIR@/nmbd.pid
 EnvironmentFile=-@SYSCONFDIR@/sysconfig/samba
+ExecStartPre=/bin/sh -c '[ "`samba-tool testparm --parameter-name="server role" 2>/dev/null | tail -1`" != "active directory domain controller" ]'
+ExecStartPre=/bin/sh -c '[ "`testparm -s --parameter-name="disable netbios" 2>/dev/null`" != "Yes" ]'
 ExecStart=@SBINDIR@/nmbd --foreground --no-process-group $NMBDOPTIONS
 ExecReload=/bin/kill -HUP $MAINPID
 LimitCORE=infinity
--- samba-4.7.4/packaging/systemd/samba.service.in.orig	2017-12-26 18:26:31.457609415 +0100
+++ samba-4.7.4/packaging/systemd/samba.service.in	2017-12-26 18:27:52.774275149 +0100
@@ -8,6 +8,7 @@
 PIDFile=@PIDDIR@/samba.pid
 LimitNOFILE=16384
 EnvironmentFile=-@SYSCONFDIR@/sysconfig/samba
+ExecStartPre=/bin/sh -c '[ "`samba-tool testparm --parameter-name="server role" 2>/dev/null | tail -1`" = "active directory domain controller" ]'
 ExecStart=@SBINDIR@/samba --foreground --no-process-group $SAMBAOPTIONS
 ExecReload=/bin/kill -HUP $MAINPID
 @systemd_samba_extra@