DOCUMENT:Q311618 08-MAY-2002 [iis] TITLE :Unknown HTTP Verbs Generate a 405 Error Message Instead of a 501 PRODUCT :Internet Information Server PROD/VER:: OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Services version 5.1 ------------------------------------------------------------------------------- SYMPTOMS ======== If you supply a verb that Internet Information Services (IIS) does not recognize in an HTTP header, you receive the following error message: HTTP 405 - Resource not allowed Internet Information Services You expect to receive the following error message: Error 501 - Not implemented Internet Information Services CAUSE ===== You can use arbitrary verbs with Common Gateway Interface (CGI) scripts or Internet Server Application Programming Interface (ISAPI) filters. STATUS ====== This behavior is by design. Additional query words: iis 5 ====================================================================== Keywords : Technology : kbiisSearch kbiis510 Version : : Issue type : kbprb Solution Type : kbpending ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.