Https Kb.vmware.com S Article 82227 -

You should see your DNS and IP entries listed. If not, your CA will issue a certificate lacking the SAN.

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[ req_distinguished_name ] countryName = US stateOrProvinceName = California localityName = Palo Alto organizationName = YourCompany organizationalUnitName = IT commonName = vcenter.yourdomain.local https kb.vmware.com s article 82227

VMware Knowledge Base article 82227 is not just another technical note—it is an essential blueprint for maintaining a secure, functional, and enterprise-ready vCenter Server Appliance deployment. The Subject Alternative Name field is no longer optional; it is a strict requirement for modern SSL/TLS implementations. You should see your DNS and IP entries listed

The article outlines the necessity of using certified hardware. It emphasizes that VMware Support generally requires that your environment be listed on the Compatibility Guide to receive full assistance. If you are running a whitebox server or an unsupported Network Interface Card (NIC), you may find yourself without support when disaster strikes. The Subject Alternative Name field is no longer