--- /lib/systemd/system/sssd.service	2018-06-20 11:47:12.878904619 +0200
+++ /root/sssd.service	2018-06-20 11:46:56.386682139 +0200
@@ -8,6 +8,7 @@
 ExecStart=/usr/sbin/sssd -i -f
 Type=notify
 NotifyAccess=main
+PIDFile=/var/run/sssd.pid
 
 [Install]
 WantedBy=multi-user.target