Client gets started multiple times

Hi there,

I discovered, that on two of my machines (backupping via Internet) the UrBackup-Client gets started two times and then all backups fail until I kill both instances and start a clean instance.

I was not able to found the reason for now, but I’d be happy, if anyone could help me on this one.

root@xxx ~ # ps fax | grep urb
 8018 pts/0    S+     0:00          \_ grep urb
11173 ?        Ssl   12:18 /usr/local/sbin/urbackupclientbackend --config /etc/default/urbackupclient --no-consoletime
30627 ?        Ssl    1:51 /usr/local/sbin/urbackupclientbackend --config /etc/default/urbackupclient --no-consoletime

after killing both instances and starting a new one:

root@xxx ~ # service urbackup start
root@xxx ~ # ps fax | grep urback
30048 pts/3    S+     0:00          \_ grep urback
20235 ?        Ssl    1:14 /usr/local/sbin/urbackupclientbackend --config /etc/default/urbackupclient --no-consoletime

root@xxx ~ # cat /etc/systemd/system/urbackup.service 
[Unit]
Description=UrBackup Client backend
After=syslog.target network.target

[Service]
ExecStart=/usr/local/sbin/urbackupclientbackend --config /etc/default/urbackupclient --no-consoletime
User=root

[Install]
WantedBy=multi-user.target

syslog:

Nov  6 16:04:30 xxx urbackupclientbackend[20235]: Restarting UrBackup Client service...
Nov  6 16:04:30 xxx systemd[1]: Stopping UrBackup Client backend...
Nov  6 16:04:30 xxx urbackupclientbackend[10123]: WARNING: Shutting down (Signal 15)
Nov  6 16:04:30 xxx systemd[1]: Starting UrBackup Client backend...
Nov  6 16:04:30 xxx systemd[1]: Started UrBackup Client backend.
Nov  6 16:04:30 xxx urbackupclientbackend[28383]: ERROR: urbackupserver: Failed binding socket to port 35623. Another instance of this application may already be active and bound to this port.
Nov  6 16:04:30 xxx urbackupclientbackend[20235]: Successfully started client service. Installation complete.

Somehow it seems, that the Installation starts again out of nowhere…

Any ideas? Thank you very much in advance. If you need any other information, please just let me know.