Article ID: 883607 - View products that this article applies to.
Assume that you use one of the following programs on a Microsoft Windows XP Professional-based computer that is configured as a Web server:
This issue occurs if the port that Microsoft Internet Information Services (IIS) uses is blocked by a firewall. By default, Windows Firewall is enabled in Windows XP SP2.
Note Windows Firewall was previously named Internet Connection Firewall.
To work around this issue, open the TCP port that is used by IIS. For example, if IIS is configured to use the default port 80, open port 80. To do this, follow these steps.
Important When you open ports in your firewall, you increase the risk that other programs can gain access to your computer through those ports. Therefore, we recommend that you carefully consider your network security requirements before you open ports in your firewall.
For more information about the changes to Windows functionality in Windows XP SP2, see the "Changes to Functionality in Windows XP Service Pack 2" document. To do this, visit the following Microsoft Web site: