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
Add Subject Alternative Names to existing Certificate ucs-4 , ssl , certificates , san , ucs-5	0	14363	December 1, 2017
How is a UCS license installed? ucs-3 , udm , ucs-4 , lizenz , key , license , ucs-5	0	4144	September 16, 2016
Problem: S4 Connector neu initialisieren ucs-4 , s4-connector , problem	0	2462	January 18, 2017
DNS Server on DC does not resolve external name ucs-4 , dns , ddos , recursive , query , ip , subnet	0	6343	January 29, 2015
univention.admin.uexceptions.noLock: Could not acquire lock: The attribute 'mailPrimaryAddress' could not get locked ad-connection	1	22	December 15, 2025
Renewing the SSL certificates ucs-4 , ssl , certificates , ucc , ucs-5	0	53413	August 8, 2017
Use of an external DNS server ucs-3 , dns , external	0	2491	August 26, 2014
Microsoft Windows 11 22H2 clients refuse to talk to UCS Samba print servers samba , printing , printmanagement , samba4 , print , windows-11	0	1874	June 13, 2023
LDAP modify aborts with `LDAP Error: Undefined attribute type: entry update failed` openldap , udm , ucs-4	0	1951	June 16, 2021
Listener aborts with mdb_txn_commit: failed: MDB_PAGE_NOTFOUND ucs-4 , listener , ldap , problem	0	767	October 21, 2019
UCS 5.0 upgrade failed: solve pre-update check python-ucr-template-compatibility update	0	3607	June 1, 2021
Problem: mdb_equality_candidates: (exampleLDAPAttribute) not indexed ldap , syslog	0	1290	August 8, 2022
Problem: Berechtigungsproblem für Opsi-Nutzer "pcpatch" nach UCS-Aktualisierung opsi , update , ucs-5	0	62	August 22, 2025
Problem: LMDB fragmentation slows down LDAP modifications ldap , performance , mdb , lmdb	2	148	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	5380	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	132	March 24, 2025
Samba 4 Troubleshooting ucs-3 , samba-ad , samba , ucs-4 , servicesforwindows , drs-replication , samba-replication , ucs-5 , samba4	0	19124	January 4, 2017
How-to: Change listener_module Logrotate Config howto	0	30	March 4, 2025
Fail-safe domain setup virtualization , ucs-4 , domain , reliability , fail_safe , failsafe	0	8905	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	308	January 8, 2025
Reinitialize Active Directory Connector ucs-2 , ucs-4 , ad-connection , servicesforwindows	0	2834	June 5, 2015
Erneuern der TLS/SSL-Zertifikate ucs-4 , ssl , certificates	0	9912	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	161	December 4, 2024
Windows 11 Credential Guard Effects on FreeRADIUS Network Authentication	0	475	November 28, 2024
Q&A: How to enforce the use of OTP for special clients ucs-5 , keycloak , otp	1	417	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	11977	August 11, 2017
Passwords are not synchronized to MS/AD ucs-4 , ad-connection , password , sync	0	968	January 7, 2019

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…