1-20z The network connection is not proper. For example, the network cable may be damaged or loose.z No trusted CA is specified.z The URL of the registration server for certificate request is not correct or not configured.z No authority is specified for certificate request.z The system clock of the device is not synchronized with that of the CA.Solutionz Make sure that the network connection is physically proper.z Check that the required commands are configured properly.z Use the ping command to check that the RA server is reachable.z Specify the authority for certificate request.z Synchronize the system clock of the device with that of the CA.Failed to Request a Local CertificateSymptomFailed to request a local certificate.AnalysisPossible reasons include these:z The network connection is not proper. For example, the network cable may be damaged or loose.z No CA certificate has been retrieved.z The current key pair has been bound to a certificate.z No trusted CA is specified.z The URL of the registration server for certificate request is not correct or not configured.z No authority is specified for certificate request.z Some required parameters of the entity DN are not configured.Solutionz Make sure that the network connection is physically proper.z Retrieve a CA certificate.z Regenerate a key pair.z Specify a trusted CA.z Use the ping command to check that the RA server is reachable.z Specify the authority for certificate request.z Configure the required entity DN parameters.Failed to Retrieve CRLsSymptomFailed to retrieve CRLs.AnalysisPossible reasons include these:z The network connection is not proper. For example, the network cable may be damaged or loose.z No CA certificate has been retrieved before you try to retrieve CRLs.z The IP address of LDAP server is not configured.
