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Maintenance work: Replacement certificate Login-Server

On 26.03.2024 between 08.00 and 9.00 a.m.

2024/03/20

+++ Update 26.03.2024 09:00 a.m.: The maintenance work has been successfully completed. +++ The certificate of the central login server (SSO) used to sign the SAML messages is replaced during this period.

Further information for IT admins:

The new certificate has been registered in the DFN metadata administration and is available via the usual URL. We recommend that you transfer the metadata automatically from DFN. Please check if your service provider is configured accordingly or if you need to replace the certificate manually on March 26th, 2024.

If you have any questions, you can contact us via e-mail to with the subject “[SSO] certificate exchange”.