Why so many process password reset?

UCS - Univention Corporate Server
#1

# lsb_release -a
No LSB modules are available.
Distributor ID: Univention
Description: Univention Corporate Server 4.4-3 errata423 (Blumenthal)
Release: 4.4-3 errata423
Codename: Blumenthal

└──># ps ax|grep passwordreset
  950 ?        Ssl    0:57 /usr/bin/memcached -m 64 -s /var/lib/univention-self-service-passwordreset-umc/memcached.socket -a 600 -M -u self-service-umc
20657 ?        S      0:02 /usr/bin/python2.7 /usr/sbin/univention-management-console-module -m passwordreset -s /var/run/univention-management-console/835-1579774543175.socket -d 2 -l it_IT.UTF-8
20853 ?        S      0:01 /usr/bin/python2.7 /usr/sbin/univention-management-console-module -m passwordreset -s /var/run/univention-management-console/835-1579774611205.socket -d 2 -l it_IT.UTF-8
21109 ?        S      0:01 /usr/bin/python2.7 /usr/sbin/univention-management-console-module -m passwordreset -s /var/run/univention-management-console/835-1579774679567.socket -d 2 -l it_IT.UTF-8
21270 ?        S      0:02 /usr/bin/python2.7 /usr/sbin/univention-management-console-module -m passwordreset -s /var/run/univention-management-console/835-1579774747410.socket -d 2 -l it_IT.UTF-8
21442 ?        S      0:02 /usr/bin/python2.7 /usr/sbin/univention-management-console-module -m passwordreset -s /var/run/univention-management-console/835-1579774815338.socket -d 2 -l it_IT.UTF-8
21616 ?        S      0:01 /usr/bin/python2.7 /usr/sbin/univention-management-console-module -m passwordreset -s /var/run/univention-management-console/835-1579774883366.socket -d 2 -l it_IT.UTF-8
21775 ?        S      0:01 /usr/bin/python2.7 /usr/sbin/univention-management-console-module -m passwordreset -s /var/run/univention-management-console/835-1579774951176.socket -d 2 -l it_IT.UTF-8
21985 ?        S      0:01 /usr/bin/python2.7 /usr/sbin/univention-management-console-module -m passwordreset -s /var/run/univention-management-console/835-1579775019264.socket -d 2 -l it_IT.UTF-8
22187 ?        S      0:01 /usr/bin/python2.7 /usr/sbin/univention-management-console-module -m passwordreset -s /var/run/univention-management-console/835-1579775087287.socket -d 2 -l it_IT.UTF-8
22241 pts/0    S+     0:00 grep passwordreset

no one is using it:

# grep self-service /var/log/apache2/access.log|wc -l
0

thank you.

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