Requesting SAN certificates (using Certes)


I’m currently using Certes ( in a .NET (4.7) application to request certificates. I have most of it working, but am struggling to request Subject Alternative Name certificates. I need to request certificates for both and

Does it matter which order I but in the CSR and/or they are validated? Also, do I need to validate both using the same challenge (using HTTP challenge)? I keep getting a Unauthorized: Error creating new cert :: authorizations for these names not found or expired error when requesting a cert with and Could someone describe the process as I still haven’t found any documentation on this?


Order doesn’t matter, but all FQDN’s require a separate challenge to be completed.


Thanks for confirming. I had a couple of small issues in the code and a somewhat hidden redirect messing up the challenge. All works now. Thanks again!


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