Dell H625cdw, User Manual

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390
| Troubleshooting
Digital Certificate Problems
Scanning using TWAIN or Windows
®
Image Acquisition (WIA) cannot be
performed on a Windows Server
®
2008 or Windows Server
®
2008 R2
computer.
Install Desktop Experience on the computer.
To install Desktop Experience:
1 Click Start , point to Administrative Tools , and then click Server
Manager .
2 Under Features Summary , click Add Features .
3 Select the Desktop Experience check box, click Next , and then
click
Install
.
4 Restart the computer.
Scanning using TWAIN or Windows
®
Image Acquisition (WIA) cannot be
performed on a Windows Server
®
2012 or Windows Server
®
2012 R2
computer.
Install Desktop Experience on the computer.
To install Desktop Experience:
1 Click Server Manager from the Start screen.
2 Under Manage , click Add Roles and Features .
3 Click Next to skip the Before you begin page.
4 Make sure that Role-based or feature-based installation is
selected, and then click Next .
5 Make sure that Select a server from the server pool is selected,
select the server under Server Pool , and then click Next .
6 Click Next to skip the Select server roles page.
7 Select the Desktop Experience check box under User Interfaces
and Infrastructure
, and then click
Next
.
8 Click Confirmation from the list on the left.
9 Select the Restart the destination server automatically if
required check box, and then click Install .
10 Restart the computer.
Problem Action
The certificate import button is
disabled. SSL/TLS communication may be disabled. Create a self-signed
certificate and enable SSL/TLS.
The certificate details button is
disabled.
The certificate cannot be imported. The time setting may be incorrect. Check validity period of the
certificate as well as the time setting of the device.
The certificate file may be incorrect. Make sure that the password is
correct.
Make sure that the file type is PKCS#7/#12 or x509CACert.
Make sure that the attribute information such as key Usage or
Extended key usage of the certificate to be imported is set correctly.
The browser may be incorrect. Use Internet Explorer.
016-404 is displayed when trying to
use security settings that require
certificates. The certificate data stored in internal memory may be either
deleted, corrupt, or may not be readable. Import the certificate and
enable the security settings again.
A certificate cannot be set with
"Certificate Details." The validity period of the certificate may be expired. Make sure that
the time setting of the printer is correct, and whether the validity
period of the certificate has expired.
The certificate path is invalid. The certificate chain (path validation)
of the imported certificate may not be correctly validated. Make
sure that all of the high-level certificates (Trusted/Intermediate)
have been imported and are not deleted, and whether the validity
period has expired.
Problem Action