HP t420 Administrator Guide 8 - Page 61

Undoing a change, Applying the changes permanently, Security, Security settings

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Undoing a change You can undo each change, one at a time, if the changes have not yet been applied permanently. A restart of the thin client is required after each undo. To undo a change made with the Component Manager: 1. In the Component Manager, select Revert Last Change. 2. Select Yes to restart the thin client. Repeat this process for as many changes you want to undo. IMPORTANT: If you take a snapshot of the image while testing a new configuration, you cannot undo the changes via the Component Manager. Those changes can be undone only by restoring a previous snapshot via the Snapshots tool. However, this does not work if the changes have already been applied permanently, because that function deletes all existing snapshots. If changes have already been applied permanently, you must reinstall the operating system to restore most removed components. Some components (such as Citrix, RDP, and VMware Horizon View) might be available as add-ons on the web and can be restored by reinstalling them. Applying the changes permanently To apply changes made with the Component Manager permanently: IMPORTANT: After the new configuration is applied permanently, all snapshots are removed and a new factory snapshot is created. Removed components cannot be restored after this point. 1. In the Component Manager, select Apply Component Configuration. 2. Select Yes. Security Menu option Security Change Domain Password Certificates Firewall Manager SCEP Manager Description For more information, see Security settings on page 49. If a domain is being used, lets you change the domain password. Opens Certificate Manager, which lets you easily import, view, or remove certificates. For more information, see Certificate Manager on page 51. Lets you configure firewall settings. Allows for network-based certificate management. Security settings Security settings can be configured using Security Manager. To open Security Manager, select Security and then select Security in Control Panel. See the following sections for more information about the different tabs in Security Manager. Security 49

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Undoing a change
You can undo each change, one at a time, if the changes have not yet been applied permanently. A restart of
the thin client is required after each undo.
To undo a change made with the Component Manager:
1.
In the Component Manager, select
Revert Last Change
.
2.
Select
Yes
to restart the thin client.
Repeat this process for as many changes you want to undo.
IMPORTANT:
If you take a snapshot of the image while testing a new
configuration,
you cannot undo the
changes via the Component Manager. Those changes can be undone only by restoring a previous snapshot via
the Snapshots tool. However, this does not work if the changes have already been applied permanently,
because that function deletes all existing snapshots. If changes have already been applied permanently, you
must reinstall the operating system to restore most removed components. Some components (such as Citrix,
RDP, and VMware Horizon View) might be available as add-ons on the web and can be restored by reinstalling
them.
Applying the changes permanently
To apply changes made with the Component Manager permanently:
IMPORTANT:
After the new
configuration
is applied permanently, all snapshots are removed and a new
factory snapshot is created. Removed components cannot be restored after this point.
1.
In the Component Manager, select
Apply Component
Configuration
.
2.
Select
Yes
.
Security
Menu option
Description
Security
For more information, see
Security settings
on page
49
.
Change Domain Password
If a domain is being used, lets you change the domain password.
Certificates
Opens
Certificate
Manager, which lets you easily import, view, or
remove
certificates.
For more information, see
Certificate
Manager
on page
51
.
Firewall Manager
Lets you
configure
firewall
settings.
SCEP Manager
Allows for network-based
certificate
management.
Security settings
Security settings can be
configured
using Security Manager. To open Security Manager, select
Security
and
then select
Security
in Control Panel.
See the following sections for more information about the
different
tabs in Security Manager.
Security
49