Article ID: 811262 - View products that this article applies to.
When you use Internet Explorer on your Windows XP-based computer to try to view a Web page, you may receive an error message that is similar to the following:
Error 501/505: Not implemented or not supported.
This issue may occur if either of the following conditions exist:
To resolve this issue:
As of December 2002, HTTP 1.1 is a newer Internet protocol. Because some Web sites use HTTP 1.0, you may have connection issues if you have enabled HTTP 1.1.
Article ID: 811262 - Last Review: September 23, 2011 - Revision: 3.0