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Archive

May 2009 (1)

IIS7.0 Web Dav Module Bug

There is a bug in the IIS7 Web Dav Module shown below

WebDav1

WebDav2

The bug is that if you have a file or folder with an ampersand “&” character it will cause an error when using Windows Explorer. We installed this on a Windows 2008 Server 32 bit version at work and opened it up to users.

When a user browsed a folder with a file or child folder that contained an ampersand they received the following message

error

The fix is to either install WebDav 7.5 for IIS 7.0 or to install a hotfix. This hotfix rollup resolves the following issues that occur when you use the WebDAV module for IIS 7.0:

  • The PROPFIND responses are truncated at 4 megabytes (MB).
  • Some characters are not escaped correctly in the PROPFIND responses.
  • Virtual Directory enumeration does not work as expected.
  • Plus signs are converted to spaces in PUT request URLs.
  • The WebDAV handler mapping is not added when you reinstall the WebDAV module.
  • Request filtering settings are not configured when you enable WebDAV by using the UI.

 

A hotfix rollup is available for the out-of-band WebDAV module for IIS 7.0
http://support.microsoft.com/default.aspx/kb/957001

 

WebDav 7.5 for IIS 7.0 Module : 32Bit Version
http://www.iis.net/downloads/default.aspx?tabid=34&g=6&i=1621

 

WebDav 7.5 for IIS 7.0 Module : 64Bit Version
http://www.iis.net/downloads/default.aspx?tabid=34&i=1618&g=6

 

WebDav 7.5 for IIS 7.0 Documentation
http://go.microsoft.com/fwlink/?LinkId=105146