Err Msg: HTTP/1.1 501 Not Supported

ID: Q234923

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 :
Version : winnt:4.0,5.0
Platform : winnt
Issue type : kbprb


Last Reviewed: February 2, 2000
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