SSL-Zertifikat verlängern

The renewal CSR should be created and signed with the existing keyset that corresponds the certificate to be renewed. This keyset is stored in the PEM file created during the initial certificate request generation. To carry out the renewal CSR generation user must remember PEM file password.

To create renewal CSR

Important note:
Do not delete your old certificate after you install the renewed one. Otherwise, the files which were encrypted with the old certificate would become inaccessible!