Rockwell Automation Publication 2711P-UM007D-EN-P - December 2015 97
Windows Operating System Chapter 4
The VNC Server tab in the Network Server Configuration dialog box
configures settings for a client device to view or control the terminal over a
VNC connection.
VNC Connection Requiring a Password for View-only Operations
The default VNC configuration enables view-only access to the terminal
without requiring a password. This configuration requires the VNC viewer
that you copy from your terminal to a computer.
To configure a VNC connection that requires a password to view terminal
displays, follow these steps.
1. From the control panel, click Server Config.
TIP Click OK in the title bar of the dialog box to apply new settings. You are
asked if you want to restart the service immediately.
Table 25 - VNC Server Parameters
VNC Parameter Description Default
General
View Only (no remote
control)
Check this option to let users view terminal displays over a VNC connection.
If you uncheck View Only, you can control and view terminal displays over a VNC connection.
If security is disabled, you are not required to enter a password when connecting to the terminal.
Enabled for view only
Security
Enable security Check this option to require password protection for VNC connections to the terminal. When checked, you must enter a
valid password before viewing or controlling terminal displays.
If you enable security, you must supply a password for one of these parameters:
• Password - for control and view operations
• View-only password - for view only operations
Disabled (unchecked)
Password Specifies a password that you must enter when establishing a VNC connection to control terminal displays. Select the
box, then type a password in the field at the bottom of the dialog box. The password is a maximum of seven characters.
Password protection is required to control terminal displays if:
• View Only is unchecked (allows control access)
• Security is enabled
No password
View-only password Specifies a password that you must enter when establishing a VNC connection to view terminal displays. Select the box,
then type a password in the field at the bottom of the dialog box. The password is a maximum of seven characters.
TIP: If you uncheck the View Only parameter, you have control and view access to the terminal. With control access
enabled, you can restrict one or more users to view-only access by providing a View-only password.
View-only password protection is required to view terminal displays if security is enabled:
• View Only is checked or unchecked
• Security is enabled
No password
TIP Copy vncviewer.exe, in the /Windows folder on the terminal, to your
computer and install the TightVNC software.
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