Just solved the certificate issue with the following post: System Diagnostics - Check Validity Of SSL Certificate
I needed to install the root-certificate.
Although the changes from the active directory are still not showing up in UCS. The connector log shows the following error repeatedly:
try to sync 45 changes from UCS
done: Tue Apr 14 10:09:29 2020
--- connect failed, failure was: ---
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/univention/connector/ad/main.py", line 302, in main
connect()
File "/usr/lib/python2.7/dist-packages/univention/connector/ad/main.py", line 204, in connect
ad.initialize_ucs()
File "/usr/lib/python2.7/dist-packages/univention/connector/__init__.py", line 877, in initialize_ucs
self.poll_ucs()
File "/usr/lib/python2.7/dist-packages/univention/connector/__init__.py", line 964, in poll_ucs
self._generate_dn_list_from(files)
File "/usr/lib/python2.7/dist-packages/univention/connector/__init__.py", line 939, in _generate_dn_list_from
dn, new, old, old_dn = cPickle.load(f)
EOFError
--- retry in 30 seconds ---