Supported

Topic	Replies	Views	Activity
About the Supported category How-tos and guides provided by the community and the Univention team. The articles documenting additional functionality based on Univention products. They are offered by Univention and the community with the intention t…	0	2042	May 2, 2017
Problem: S4 Connector neu initialisieren ucs-4 , s4-connector , problem	0	2453	January 18, 2017
DNS Server on DC does not resolve external name ucs-4 , dns , ddos , recursive , query , ip , subnet	0	6319	January 29, 2015
Add Subject Alternative Names to existing Certificate ucs-4 , ssl , certificates , san	0	14338	December 1, 2017
univention.admin.uexceptions.noLock: Could not acquire lock: The attribute 'mailPrimaryAddress' could not get locked ad-connection	1	15	December 15, 2025
Renewing the SSL certificates ucs-4 , ssl , certificates , ucc , ucs-5	0	53093	August 8, 2017
Use of an external DNS server ucs-3 , dns , external	0	2482	August 26, 2014
Microsoft Windows 11 22H2 clients refuse to talk to UCS Samba print servers samba , printing , printmanagement , samba4 , print , windows-11	0	1866	June 13, 2023
LDAP modify aborts with `LDAP Error: Undefined attribute type: entry update failed` openldap , udm , ucs-4	0	1945	June 16, 2021
Listener aborts with mdb_txn_commit: failed: MDB_PAGE_NOTFOUND ucs-4 , listener , ldap , problem	0	766	October 21, 2019
UCS 5.0 upgrade failed: solve pre-update check python-ucr-template-compatibility update	0	3602	June 1, 2021
Problem: mdb_equality_candidates: (exampleLDAPAttribute) not indexed ldap , syslog	0	1288	August 8, 2022
Problem: Berechtigungsproblem für Opsi-Nutzer "pcpatch" nach UCS-Aktualisierung opsi , update , ucs-5	0	54	August 22, 2025
Problem: LMDB fragmentation slows down LDAP modifications ldap , performance , mdb , lmdb	2	138	August 18, 2025
Collecting system information for the Univention Support Team ucs-3 , ucs-4 , sysinfo , support , info , usi , ucs-5	0	3895	May 23, 2017
Updating from PostgreSQL 11 to PostgreSQL 15 postgresql , installation , ucs-5-0 , ucs-5-2	0	5218	October 18, 2023
Problem: Joining to Samba/AD fails in case `Default-First-Site-Name` was removed samba-ad , samba , join , samba-ad-dc , domainjoin	0	121	March 24, 2025
Samba 4 Troubleshooting ucs-3 , samba-ad , samba , ucs-4 , servicesforwindows , drs-replication , samba-replication , ucs-5 , samba4	0	19078	January 4, 2017
How-to: Change listener_module Logrotate Config howto	0	29	March 4, 2025
Fail-safe domain setup virtualization , ucs-4 , domain , reliability , fail_safe , failsafe	0	8873	September 4, 2017
Creating a local package repository on UCS 5.2 for also updating other systems from 5.0 to 5.2 ucs-5-2 , local-repository	0	302	January 8, 2025
Reinitialize Active Directory Connector ucs-2 , ucs-4 , ad-connection , servicesforwindows	0	2831	June 5, 2015
Erneuern der TLS/SSL-Zertifikate ucs-4 , ssl , certificates	0	9858	August 7, 2017
ImportError: bad magic number in 'locale': b'm\xf2\r\n' when configuring saml in UCS	0	62	December 19, 2024
Problem: Error updateing grub-pc during univention-upgrade (wrong grub boot device) grub , grub2 , problem , univention-upgrade	0	156	December 4, 2024
Windows 11 Credential Guard Effects on FreeRADIUS Network Authentication	0	460	November 28, 2024
Q&A: How to enforce the use of OTP for special clients ucs-5 , keycloak , otp	1	395	November 14, 2024
Which TCP / UDP ports on the DC master must be accessable by other systems? ucs-3 , ucs-4 , ports , ucs-5	0	11965	August 11, 2017
Passwords are not synchronized to MS/AD ucs-4 , ad-connection , password , sync	0	967	January 7, 2019
Computer is not synchronized due to Object class violation ucs-3 , ucs-4 , s4-connector , traceback , work-in-progress	3	1315	August 1, 2024

About the Supported category

How-tos and guides provided by the community and the Univention team. The articles documenting additional functionality based on Univention products. They are offered by Univention and the community with the intention t…