Failed to obtain the CA certificate
Symptom
The CA certificate cannot be obtained.
Analysis
The network connection is down, for example, because the network cable is damaged or the connectors have bad contact.
No trusted CA is specified.
The certificate request URL is incorrect or not specified.
The system time of the device is not synchronized with the CA server.
The source IP address of the PKI protocol packets is not specified or is incorrect.
The fingerprint of the root CA certificate is illegal.
Solution
Check for and fix any network connection problems.
Verify that the required configurations are correct.
Use ping to verify that the registration server is reachable.
Synchronize the system time of the device with the CA server.
Specify the correct source IP address for PKI protocol packets that the CA server can accept.
Verify the CA certificate's fingerprint on the CA server.
If the problem persists, contact Hewlett Packard Enterprise Support.