Digital Certificate Problems - Dell S3840cdn User Manual

Digital Certificate Problems

Symptom
Import cannot be selected on
the Security Certificates
screen.
The certificate cannot be
imported.
016-404 is displayed when
trying to use security
functions that require
certificates.
A certificate cannot be set in
Security Certificates.
Although a certificate was
imported, it is not displayed
on the Security Certificates
screen.
Server validation is not
operating correctly.
Cause
SSL communication is
disabled.
The time setting is incorrect.
The certificate file is incorrect. Confirm whether the password is correct.
The browser is incorrect.
The certificate data stored in
internal memory is either
deleted, corrupt, or is not
readable.
The validity period is invalid.
The certificate path is invalid. The certificate chain (path validation) of the
The type of the certificate is
incorrect.
The certificate chain is
incorrect when importing.
Action
Create a self-signed certificate and enable
SSL.
Confirm validity period of the certificate as
well as the time setting of the device.
Confirm whether the file type is
PKCS#7/#12 or x509CACert (extension:
p7b/p12/pfx/cer/crt).
Confirm whether the attribute information
(key Usage/Extended key usage) of the
certificate to be imported is set correctly.
®
Use Internet Explorer
Import the certificate and enable the
security settings again.
The validity period of the certificate is
invalid. Confirm whether the time setting of
the machine is correct, and whether the
validity period of the certificate has expired.
imported certificate may not be correctly
validated. Confirm whether all of the
high-level certificates
(Trusted/Intermediate) have been imported
and are not deleted, and whether the
validity period has expired.
To import a certificate for use with the
device (own device), import the secret key
and a certificate of the PKCS#12 (p12/pfx)
format as a pair.
Although importing a root certificate
(Trusted) to use for server authentication, an
Intermediate certificate may be required
when validating the path.
When executing a certificate file with the
certification authority, create the certificate
with a format including all paths and then
import that certificate.
Digital Certificate Problems
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