Re: Autoversioning and WebDAV on Windows XP

Here's another issue that might apply:

http://support.microsoft.com/default.aspx?scid=kb;en-us;831805

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

http://support.microsoft.com/default.aspx?scid=kb;en-us;315621

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
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