DOCUMENT:Q234923  31-JUL-2001  [iis]
TITLE   :Err Msg: HTTP/1.1 501 Not Supported
PRODUCT :Internet Information Server
PROD/VER:winnt:4.0,5.0
OPER/SYS:
KEYWORDS:kbOSWin2000 kbiis500prod2web kbhttp501 kbProd2Web

======================================================================
-------------------------------------------------------------------------------
The information in this article applies to:

 - Microsoft Internet Information Services version 5.0 
 - Microsoft Internet Information Server 4.0 
-------------------------------------------------------------------------------

SYMPTOMS
========

When you attempt to download a file from a server running IIS, the following
error message occurs:

   HTTP/1.1 501 Not Supported

CAUSE
=====

This is by design. IIS does not serve files larger than 4 gigabytes (GB).

WORKAROUND
==========

Individual files greater than 4 GB can often be compressed using third-party
utilities to reduce the file size for downloading.

Additional query words: iis

======================================================================
Keywords          : kbOSWin2000 kbiis500prod2web kbhttp501 kbProd2Web 
Technology        : kbiisSearch kbiis500 kbiis400
Version           : winnt:4.0,5.0
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 2001.