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Remote
Desktop Sharing - Pre-requisites
To access remote desktops, the following pre-requisites have to be met:
This configuration is required only in the browser from where a connection is being established
Select Tools --> Internet Options menu from the Internet Explorer.
Select the Security tab from the Internet Options dialog.
Select Local Intranet Web content zone and click Custom Level.
Make the following options available under ActiveX controls and plug-ins to either Enable or Prompt:
Download signed ActiveX controls
Download unsigned ActiveX controls
Run ActiveX controls and plug-ins
Script ActiveX controls marked safe for scripting
Click OK to save the Security Settings dialog.
Click OK to save and close the Internet Options dialog.
This configuration is required only in the browser from where a connection is being established.
Select Tools --> Options menu from the browser.
Select the Security tab.
Warn me when sites try to install add-ons option will by default be enabled. Click the Exceptions button available beside it.
In the Allowed Sites dialog, add the name or the IP Address of the machine where Desktop Central Server is installed and click Allow.
Click Close.
Click OK to close the Options dialog.
When you try to access a remote desktop, you will be asked to install the Desktop Central Add on. Click Install to access the remote desktop.
This configuration is required only in the browser from where a connection is being established and is required only when you choose the Java Viewer option when connecting to a remote desktop.
If Java plug-ins are already installed, the connection is automatically established. If not, you will be prompted to download and install Java Plug-in to connect to the remote desktop.
You can download the Java Plug-in can be downloaded from http://java.sun.com/products/plugin/ and install. You may have to restart the browser after installing the Java Plug-in.
Desktop Central requires TCP port 8443 to be opened in the machine where Desktop Central Server is installed. If you are running Windows Firewall, follow the steps below to add this port to the exceptions:
Select Start --> Settings --> Control Panel --> Windows Firewall
Select the Exceptions tab
Click Add Port button.
Specify a name.
Specify the Port as 8443.
Select the TCP option.
Click OK.
Desktop Central supports prompting the user for confirmation before taking control of their desktop. This requires administrative privileges in Desktop Central. To enable or disable this option, follow the steps below:
Select Tools --> Remote Control
Select the option "Prompt the User for Confirmation" to take permission from the user before taking control of their desktop.
Click Edit Settings link to specify the following additional properties:
Select the Viewer type as Active X or Java Viewer. This will be the default option chosen for the users and they can change as required.
Select the option "Let users know that their desktop is shared" for the users to know that their desktop is being controlled by the administrator (even if the prompt is disabled).
Select the option "Log the reason for remote connection" to make the users specify the reason for establishing connection to a remote computer.
By default, the Remote Connection uses a secured communication at port 8443. If you wish to change the port specify the port number that has to be used in the port field. If you wish not to use a secured communication, clear the Use Secure Connection check box and specify the port number to be used. The port number that is specified here should be opened in the firewall of the computer where Desktop Central Server is installed.
Select Enable Prompt option and specify the time to wait for user confirmation and the message to be displayed in the users' desktop. If the user do not confirm or decline within this time, the connection will not be established.
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