Installation of OpenProject fails ('Insufficient access (50)')

Hi all, facing the next problem while installing OpenProject. But I think it’s only indirectly OpenProject related. UCS is installed in “member mode”.

comprehensive information from /var/log/univention/appcenter.log:

send_information: action=install app=openproject value={‘code’: 1, ‘stderr’: [‘Joining’, ‘univention-join: joins a computer to an ucs domain’, ‘copyright © 2001-2019 Univention GmbH, Germany’, ‘’, ‘Search DC Master: done’, ‘Check DC Master: done’, ‘Search ldap/base done’, “ldap_sasl_bind(SIMPLE): Can’t contact LDAP server (-1)”, ‘Insufficient access (50)’, 'Search LDAP binddn ', ‘’, ‘’, ‘* Join failed! ', ’ Contact your system administrator *’, '’, '* Message: Please visit https://help.univention.com/t/8842 for common problems during the join and how to fix them – binddn for user Administrator not found. ', ‘’, ‘Something went wrong while joining the system’, ‘Setup failed’]} status=416
27971 utils 21-04-15 12:06:57 [ DEBUG]: tracking information: {‘status’: 416, ‘uuid’: ‘4098dd18-9fc1-4bce-ba13-e45d581286ea’, ‘app’: u’openproject’, ‘value’: {‘code’: 1, ‘stderr’: [‘Joining’, ‘univention-join: joins a computer to an ucs domain’, ‘copyright © 2001-2019 Univention GmbH, Germany’, ‘’, ‘Search DC Master: done’, ‘Check DC Master: done’, ‘Search ldap/base done’, “ldap_sasl_bind(SIMPLE): Can’t contact LDAP server (-1)”, ‘Insufficient access (50)’, 'Search LDAP binddn ', ‘’, '
’, '* Join failed! ', ’ Contact your system administrator ', ‘**************************************************************************’, ’ Message: Please visit https://help.univention.com/t/8842 for common problems during the join and how to fix them – binddn for user Administrator not found. ‘, ‘**************************************************************************’, ‘Something went wrong while joining the system’, ‘Setup failed’]}, ‘version’: u’11.2.1’, ‘role’: ‘domaincontroller_master’, ‘action’: ‘install’, ‘system-uuid’: ‘c2ec7492-6dde-4b69-8337-2bf7370c3b7a’}

and detailed output from install script:

Copying App Center’s setup to container’s /usr/share/univention-docker-container-mode/setup_custom
Joining
univention-join: joins a computer to an ucs domain
copyright © 2001-2019 Univention GmbH, Germany

Search DC Master: done
Check DC Master: done
Search ldap/base done
ldap_sasl_bind(SIMPLE): Can’t contact LDAP server (-1)
Insufficient access (50)
Search LDAP binddn


  • Join failed! *
  • Contact your system administrator *


Something went wrong while joining the system
Setup failed
Something went wrong while joining the system

Setup failed

Setup script failed!
Aborting…
Going to remove OpenProject (11.2.1)

Seems to me if the docker machine can’t join to domain but how to fix it?
Is anyone out there to help me?