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Problem: Microsoft 365 SSO fails with AADSTS5000820 for users with different UPN root domains
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1
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20
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September 5, 2026
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Problem: Keycloak "ERR_TOO_MANY_REDIRECTS" Behind HAProxy
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1
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34
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July 10, 2026
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2 Factor für den User Login am Portal (SSO/Keycloak)
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2
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49
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June 29, 2026
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Problem: SSO Login Fails with "Invalid signature in response from identity provider"
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1
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36
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June 25, 2026
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Expired password change via ucs-sso is not working
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4
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354
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April 10, 2026
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Problem: 92univention-management-console-web-server.inst fails with Could not connect to keycloak server
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1
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50
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April 8, 2026
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QA: Why is a second login required for Office 365 applications in a UCS environment?
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1
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39
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March 10, 2026
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Problem: SSO Login to Microsoft 365 Fails with Azure AD Error 500089
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1
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42
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February 17, 2026
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Problem: Keycloak SSO login failures in UCS
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1
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82
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December 15, 2025
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The login with OpenID (Keycloak) in the application “OX AppSuite” does not work
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3
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588
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October 29, 2025
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Problem: Keycloak Installation Fails and System Services Become Unavailable - Fallback to simpleSAMLphp
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1
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149
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October 7, 2025
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Problem: SSO Login Fails – Metadata Not Found for WebUntis
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1
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69
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September 29, 2025
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Problem: Misdirected Request Error After Update to UCS 5.2 with HAProxy and SSO
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1
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349
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September 18, 2025
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Problem: Keycloak SSO: UCS 5.2 Portal Doesn’t Require Credentials After Logout
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2
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75
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September 17, 2025
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Keycloak join script fails due to UCS reject when creating krbleycloak user in Samba
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1
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88
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June 4, 2025
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Keycloak redirects to ucs-sso
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2
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131
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May 16, 2025
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Keycloak Login not enforced - Wrong Config or Security Issue?
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1
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136
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May 13, 2025
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Problem: SSO Issues when Logging in to Backup Server
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0
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762
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December 5, 2018
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Keycloak - Nach Migration kein Kerberos negotiate mehr im Webbrowser
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7
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839
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January 30, 2025
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How-to: UCS - Create logout tile for the portal
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3
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69
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January 27, 2025
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How to: Restrict access to a Keycloak client to self-registered user accounts
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1
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1907
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November 14, 2024
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How-To: Release user information in Keycloak with OIDC scopes
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1
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1271
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October 19, 2024
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Keycloak hostname Letsencrypt challenge fails after update
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7
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1036
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October 12, 2024
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Problem: SSO - Password change failed - not translated (%s)
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3
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234
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September 30, 2024
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Best Practice: understand SAML & OIDC differences for SSO
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0
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854
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February 16, 2022
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Problem: long login times via sso at UMC
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1
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170
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August 29, 2024
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SSO Login Issues: Incorrect User with Kerberos Authentication / Logout not possible
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3
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365
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August 15, 2024
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Problem:Keycloak - invalid request - error="client_not_found"
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3
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2698
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August 6, 2024
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How-to: Migrate from SimpleSAMLphp to Keycloak
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3
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1405
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April 15, 2024
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Problem: The URL to reset the password via self-service doesn't work with Single Sign On
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2
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379
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March 23, 2024
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