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Re: Autoversioning and WebDAV on Windows XP

From: Jeremy Pereira <jeremy.pereira_at_ntlworld.com>
Date: 2004-06-09 18:08:54 CEST

Here's another issue that might apply:


Here's another one that seems to relate to the problem you have


Although it's talking about connecting to IIS servers, it does show
that DAV authentication on Windows XP is broken.

On Jun 9, 2004, at 16:20, Toby Johnson wrote:

> While attempting to set up a WebDAV share for Win2k/XP users at work,
> I noticed this discouraging blurb in the Subversion book:
> "If the computer is a member of an NT Domain, then it seems to be
> unable to connect to the WebDAV share. It repeatedly asks for a name
> and password, even when the Apache server isn't issuing an
> authentication challenge! Some have speculated that this might happen
> because WebFolders is specifically designed to operate against
> Microsoft's SharePoint DAV server. If the machine isn't part of an NT
> Domain, then the share is mounted without a problem. This mystery is
> not yet solved."
> I was unable to find much more on this after extensive Googling and
> mailing list reading. The problem seems to stem from Windows XP
> assuming it knows better than you do (imagine that!) while trying to
> set up a Web Folder. It automatically converts the shortcut to use a
> UNC path (i.e. to an SMB share) instead of an HTTP location.
> I emailed my brother about this, who is a Microsoft MVP and knows some
> pretty bright people there, about this. He asked around and got this
> response:
> "Sorry to take so long to get back to you on this. I looked at it ages
> ago,
> but wanted to do some comparisons which I didn't have time to do.
> "I think the SMB stuff can be disabled by turning off "autmatically
> search
> for folders and printers" (or whatever it's called). There is also
> some HTTP
> WebDAV traffic which is resulting in authentication errors. I will
> pass this
> onto some other people in the MS Dev team who worked on WebDAV, and
> see what
> shakes loose."
> (By "HTTP WebDAV traffic" he's referring to an ethereal capture log I
> sent him after experiencing this problem).
> His suggestion about the "automatically search for shared folders"
> option doesn't seem to work; that setting has always been turned off
> on my computer. But in the meantime, after playing around some, I
> found out that a Win2K Server machine we have (which is also on our
> Domain) can create the Web Folder (Microsoft's term for WebDAV) share
> correctly, while I never could connect from my XP machine. Copying the
> actual .lnk file (Windows shortcut) of the Web Folder from the Win2K
> Server machine to the XP machine worked, however: I was able to
> consistently connect to the WebDAV share and use Autoversioning to
> read/write files from XP.
> I then did some digging around on the .lnk file format, and found a
> link on this page http://www.wotsit.org/search.asp?page=23&s=ALLFILES
> which has a PDF describing reverse-engineered info regarding .lnk
> files. Since I have access to the Win2K machine to create the shares
> on, I didn't go much further, but I suppose that if this problem is
> really vexing anyone with only XP machines, they may be able to
> manually create the .lnk file to work correctly.
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Jeremy Pereira                             Tel: +44 (0)1252 401035
Senior Consultant                       Mobile: +44 (0)7884 265457
Axcelia Ltd                                Fax: +44 (0)1252 336934
http://www.axcelia.com           mailto:jeremy.pereira_at_axcelia.com
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Received on Wed Jun 9 18:12:08 2004

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