Error connecting to 127.0.0.2 in XP SP2

Symptoms

With Windows XP SP2 some applications which connect to the loop back address range may not function as expected.

Cause
Windows XP SP2 prevents connections to the loop back address range for any address other than 127.0.0.1.

Resolution
Microsoft support has an update available which addresses this issue and is available for downloading at: KB884020

The fix contains the following file info:
13-Aug-2004 22:50 5.1.2600.2505 359,040 Tcpip.sys

This update helps resolve an issue on computers running Windows XP Service Pack 2. Programs that connect to IP addresses in the loopback address range may not work as expected and you may receive an error message indicating you cannot establish a connection. After you install this item, you may have to restart your computer.