Setting Up VNC Connection Reference Guide - Version 1 Home | Print Full Reference Guide    
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Setting Up VNC Connection
Instructions on allowing VNC connections on a Windows XP SP2 machine with the firewall on.
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Part 1: Getting the computer name of the computer you are on
Part 2: Enabling the Firewall to allow VNC Access
Part 1: Getting the computer name of the computer you are on
Step Action
1. Click on Start and select Settings > Control Panel > System.
2. In the System Properties window, click on the Computer Name tab.

Write down name of the computer as displayed in Full Computer Name section (e.g. xptest). You will need this for Part 2: Enabling the Firewall to allow VNC Access of the tutorial.
3. Click .
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Part 2: Enabling the Firewall to allow VNC Access
Step Action
1. Click on Start and select Settings > Control Panel > Windows Firewall.
2. In the Windows Firewall window:
  1. If the firewall is Off (radio button next to the Red Shield is selected), then switch it to On by clicking on the radio button next to the Green Shield and proceed to Step 3.
  2. If the firewall is already On (radio button next to the Green Shield is selected), proceed to Step 3.
3. In the Windows Firewall window there are 3 tabs: General, Exceptions and Advanced (you are currently in General). Click on the Advanced tab.
4. Under Network Connection Settings, ensure Local Area Connection is selected and click on . The Advanced Settings window will appear.
5. At the bottom of the Services listbox there are 2 buttons, and . To display Service Settings window, click .
6. Enter the following information in the fields that are present:

Description of Service: vnc4server
Name: the computer name you obtained in Part 1 (e.g. xptest)
External Port: 5900
Internal Port: 5900

Ensure TCP is selected.
7. Click .
8. You will return to the Advanced Settings window. Ensure vnc4server is listed in the list of Services and selected.
9. Click .
10. You will now return to the Advanced Tab of Windows Firewall. Click .
11. Restart your computer for all settings to apply.
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Updated December 18, 2007