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After installing SP2, I can no longer access Web-Link II



When you have Web-Link II installed on a computer that is running Microsoft Internet Information Services (IIS) version 5.1, and you apply Microsoft Windows XP Professional Service Pack 2 to the computer, you may receive the following error message when you access the site:

The page cannot be displayed. Can't find server or DNS error.


This problem occurs because installing Service Pack 2 for Windows XP Professional enables the Internet Connection Firewall (ICF). 
To resolve this problem, configure ICF to enable HTTP traffic:
  1. Click Start, click Control Panel, and then double-click Windows Firewall.
  2. Click the Exceptions tab, and then click Add Port.
  3. In the Name box, type HTTP. In the Port box, type 80.

Note 1: This procedure enables HTTP traffic. If you also require HTTPS traffic for Secure Sockets Layer (SSL) sites, repeat these steps, but type HTTPS in the Name box, and then type 443 in the Port box.
Note 2:  For more information about this procedure, you can refer to the following link:
Note 3: The installation of SP2 may also affect the way your computer handles "cookies".  You can open Internet Explorer, click on Tools, click on Internet Options, click on the Privacy tab and changing the security to allow Web-Link II to function properly (typically a Medium setting).
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