Certificates TLS validation states       
                                                        While confirming the protocol to use to provision a certificate to a target host, , GET Certificates/{guid}/ValidationResults reports a validation state. The Transport Layer Security (TLS) validation state describes whether a connection with the target host was successful.
| TLS Validation result | Description | 
|---|---|
| ConnectionFailed | The target host is unreachable or it is not listening on the port. | 
| HostResolutionFailed | The host name or Fully Qualified Domain Name (FQDN) is not resolvable using Domain Name System (DNS). | 
| MismatchWithKnown | The target host presented a certificate that matches one in inventory but not in history. | 
| MismatchWithPrevious | The target host presented a certificate that fails to match the one in history. | 
| MismatchWithUnknown | The target host presented a certificate that neither matches one in inventory nor history. | 
| NoCertificateFound | The target host is listening on the port, but it didn't present a certificate. | 
| NoLocalCertificate | There is no certificate on the target host to validate. | 
| NotSupported | Network validation is not supported by the application object | 
| ObjectMisconfigured | The object involved in the validation operation is missing one or more required settings (attribute values). |