Application for user certificates (S/MIME) now via the RA portal

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Today, August 15, 2023, the RA portal ( will additionally be enabled for the issuance of user certificates in the GÉANT/TCS (PKI).

DFN-PKI Global used up to now will cease operation on August 30, 2023. Until August 29, 2023, user certificates can therefore be issued both via the familiar DFN-PKI Global service and via GÉANT/TCS (PKI). All certificates that have been or will be issued via the DFN-PKI Global service by August 29, 2023, will retain their validity status for a maximum of 3 years after certificate issuance.

Please note that requests for user certificates via the DFN-PKI Global service can be submitted to the IT-ServiceDesk at Seffenter Weg 23 by August 25, 2023 at the latest, or to the SuperC by August 22, 2023.

For more information and guidance, please refer to our documentation portal IT Center Help and to the blog posts on the IT Center Blog that will follow shortly.