I'm used to OpenSSL but I'm getting into Active Directory Certificates and I'm trying to issue a server authentication certificate for the web server for one of our printers, but I keep getting this:
It has to be something about my setup with AD CS, because OpenSSL issued certs fine for our printers. This printer in particular is an HP Color LaserJet CP3525.
I'm not sure what about the security configuration is insecure.
> Printer certificate template (duplicated the Web Server template and adjusted settings):
- Compatibility: [Certification Authority - Windows Server 2016] [Certificate Recipient - Windows 10]
- Request Handling: Purpose - Signature and encryption, Allow private key to be exported
- Cryptography: Minimum key size - 2048, Providers - Microsoft Enhanced RSA and AES Cryptographic Provider
Here's the certificate after it's issued and imported into the printer's web server: