Article # 10
Category: General : VNC
How to resolve the VNC connection problem in Windows XP?
In Windows XP, you may face the VNC connection problem due to firewall.
Solution 1: Recomended
If the firewall is enabled, add the 5900 port in the exception list. Follow the procedure below.
Solution 2: Disable the firewall. (Not recomended)
Screen shot for solution 1:
2. Another issue can be due to symentec also. If you installed the symentec virus scanner check the "Symentec Network Drivers Service"