Click on 'Rootcertificate' and install the certificate therein by simply clicking on it. Should your browser ask for the purpose, please choose websites. Repeat the same with 'DFN-PCA Certificate' and at last 'MPG CA Certificate' (sequence matters).
CA-Certificates
The certificate is valid until end 2011. During this time you will no longer receive this nasty warnings stating that the security certificate is invalid.
Below you can find step-by-step instructions for:
In case of questions, please do not hesitate to ask at the IT.
![[back to top]](/bilder/toppfeil.gif){kind=small}