Renew user certificate
Three years after creating your DFN Global user certificate, you will receive an automatically generated email "Your certificate will expire". If you want to renew your certificate, please follow the instructions in steps 1 (request) and 2 (retrieve & secure) of user certificates.
To renew the DFN Global certificate, it must be regenerated and you must identify yourself again. Please make sure that the DN (i.e. your name) of the new certificate matches that of the old one (exceptions: marriage, etc.).
Communication and Information Centre (kiz)
Please contact us if you have questions or problems related to the kiz services:
Monday - Thursday
09:00 h - 12:00 h and 13:00 h - 15:30 h
Friday 09:00 h - 12:00 h
+49 (0) 731 / 50 - 30000
+49 (0) 731 / 50 - 1230000
Research in the library stock: monographs, textbooks, magazines, university publications, e-books, e-journals, national licenses, and the contents of the institutional repository OPARU.
more about: DFN Global certificates
In order to issue a user certificate, your identity must be verified by personally appearing at our registration office at the following service point:
kiz University West
Service Point Information
Tel: +49 (0) 731 / 50 - 15544
Registration by telephone or e-mail is requested. For opening hours, please refer to the linked website of the Service Point.
To apply for a server certificate, please contact us using the email address above.