FIX: You cannot save changes back to the WebDAV 7.5 Web folder when a site level change is made to IIS configuration

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Article ID: 976526 - View products that this article applies to.
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SYMPTOMS

Considering the following scenario:
  • On a Windows Server 2008-based computer, you have Web Distributed Authoring and Versioning (WebDAV) 7.5 for Internet Information Services (IIS) 7.0 installed.
  • You enable the WebDAV feature on a Web site, and enable locks for the WebDAV.

    Note You can enable locks in the WebDAV settings page in IIS Manager by setting the Allow Locks setting to a value of "True. For more information, refer to the "More information" section."
  • You open a document from the WebDAV-enabled Web site by using a WebDAV client. For example, you open a Microsoft Word document in Microsoft Word.
  • You make some site level changes to the IIS configuration. For example, you create a new virtual directory in IIS.
  • You change the opened document, and you try to save these changes.
In this scenario, you cannot save the document to the WebDAV Web folder. Additionally, you receive an error message on the client. The error message varies, depending on what WebDAV client you are using. For example, if you use Microsoft Word to edit the document, you receive an error message that resembles the following:
There has been a network or file permission error. The network connection may be lost

CAUSE

When the site level configuration is changed in IIS 7.0, the lock information in WebDAV 7.5 is lost. This causes a failure when changes to the document are being saved back to the WebDAV Web folder.

RESOLUTION

Update information

The following files are available for download from the Microsoft download center:

x86-based version of WebDAV 7.5 for IIS 7.0
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Download
Download the webdav_x86_kb976526.msp package now.
x64-based version of WebDAV 7.5 for IIS 7.0
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Download
Download the webdav_x64_kb976526.msp package now.

Prerequisites

You must have Microsoft WebDAV 7.5 for IIS 7.0 installed to apply this hotfix.

Restart requirement

You must restart the computer if the updated file is in use when you apply this hotfix. To avoid having to restart the computer, you can stop the World Wide Web Publishing Service (W3SVC) before you apply this hotfix.

Hotfix replacement information

This hotfix does not replace other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For x86-based version of WebDAV 7.5 for IIS 7.0
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Webdav.dll7.5.7651.14530192,35213-Oct-200916:30x86

For x64-based version of WebDAV 7.5 for IIS 7.0
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Webdav.dll7.5.7651.14530245,08813-Oct-200916:30x64

WORKAROUND

To work around this problem, disable locking for WebDAV 7.5.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

Note WebDav 7.0 for IIS 7 does not support the LOCK and UNLOCK verbs. Therefore, this problem does not occur in WebDAV7.0.

For more information about how to install and configure the WebDAV on IIS 7.0, visit the following Microsoft Web site:
http://learn.iis.net/page.aspx/350/installing-and-configuring-webdav-on-iis-70/
For more information about how to use WebDAV locks, visit the following Microsoft Web site:
http://learn.iis.net/page.aspx/596/how-to-use-webdav-locks/

Properties

Article ID: 976526 - Last Review: February 12, 2010 - Revision: 2.0
APPLIES TO
  • Microsoft Internet Information Services 7.0
Keywords: 
kbexpertiseadvanced kbsurveynew kbqfe KB976526

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