HTTP/1.1 Error 501 - Not Implemented

ID: Q247643

The information in this article applies to:

Microsoft Internet Information Services version 5.0

SYMPTOMS

When you attempt to use an unknown method from an Internet client, the following error message occurs:

HTTP/1.1 501 Not Implemented

CAUSE

This behavior is by design. Internet Information Services (IIS) only supports the methods defined in "RFC 2616 - Hypertext Transfer Protocol -- HTTP/1.1" and "RFC 2518 - HTTP Extensions for Distributed Authoring -- WEBDAV." The methods are listed in the following table:

Method Protocol RFC Section

CONNECT HTTP 2616 9.9

COPY WEBDAV 2518 8.8

DELETE HTTP 2616 9.7

GET HTTP 2616 9.3

HEAD HTTP 2616 9.4

LOCK WEBDAV 2518 8.10

MKCOL WEBDAV 2518 8.1

MOVE WEBDAV 2518 8.9

OPTIONS HTTP 2616 9.2

POST HTTP 2616 9.5

PROPFIND WEBDAV 2518 8.1

PROPPATCH WEBDAV 2518 8.2

PUT HTTP 2616 9.6

TRACE HTTP 2616 9.8

UNLOCK WEBDAV 2518 8.11

MORE INFORMATION

For more information on these topics, please see the information at the following:

Additional query words: prod2web

Keywords : kbWinOS2000
Version : winnt:5.0
Platform : winnt
Issue type : kbprb