root@dc2:/home/eida# systemctl stop smbd nmbd winbind

root@dc2:/home/eida# systemctl disable smbd nmbd winbind
Synchronizing state of smbd.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install disable smbd
Synchronizing state of nmbd.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install disable nmbd
Synchronizing state of nmbd.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install disable winbind
Removed /etc/systemd/system/multi-user.target.wants/nmbd.service.
Removed /etc/systemd/system/multi-user.target.wants/smbd.service.
Removed /etc/systemd/system/multi-user.target.wants/winbind.service.

root@dc2:/home/eida# systemctl unmask samba-ad-dc
Removed /etc/systemd/system/samba-ad-dc.service.

root@dc2:/home/eida# systemctl enable samba-ad-dc
Synchronizing state of samba-ad-dc.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable samba-ad-dc
Created symlink /etc/systemd/system/multi-user.target.wants/samba-ad-dc.service → /lib/systemd/system/samba-ad-dc.service.