Forum Discussion
How do I create a new certificate for Windows Admin Center??
I just now observed that our internal WAC certificate was only two months old and it's already expired. Can I simply create and use our own self-signed certificate and use it?? Do I install it like n...
I tried the Powershell scripts shared here but they just didn't work for me, maybe due to me using v2410.
So I used the even older OpenSSL version https://blog.it-koehler.com/Archive/1994. The page is German but self-explanatory, just be aware that everything needs to go into separate lines in the OpenSSL configuration file. Also you can probably use "default_bits = 4096" and "default_md = sha512" nowadays (then omit it from the cmd call) and further use IP.1 (IPv4) and/or IP.2 (say, IPv6) etc. with the alt_names.
I also changed the FQDN in the WAC installation to lowercase for good measure.