You cannot open links from WebDAV servers in Internet Explorer

Gäller för: Windows 8.1 EnterpriseWindows 8.1Windows 8.1 Pro


You connect a Distributed Authoring and Versioning (DAV) share from a computer that is running Windows 8.1, Windows Server 2012 R2, Windows 7 Service Pack 1, or Windows Server 2008 R2 Service Pack 1. The DAV share may be hosted on an instance of SAP NetWeaver Application Server, for example. When you use "Basic authentication" to connect to the DAV share through the Internet, you may be unable to open links from WebDAV servers in Internet Explorer. Additionally, you receive an error message that resembles the following:

Picture one: Internet Explorer could not open http://DAVserver:5300/folder1/folder2/folder3/ as a web Folder. Would you like to see its default view instead?
Note In this error message, the DAV share is enabled only on the third folder.


This problem occurs because of incorrect behavior when the URL name is parsed.


To resolve this issue in Windows 8.1 and Windows Server 2012 R2, install update 2919355.
To resolve this issue in Windows 7 and Windows Server 2008 R2, install the hotfix that is described in this article.

Update information for Windows 8.1 and Windows Server 2012 R2

For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014

Hotfix information for Windows 7 and Windows Server 2008 R2

A supported hotfix is available from Microsoft Support. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


To apply this hotfix, you must have the following installed:

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.


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

More Information

In Windows XP, Microsoft Office installed its own WebDAV extension. This extension was not a redirector and is not comparable to the integrated DAV redirector in Windows 7. Both Windows XP and Windows 7 use an integrated DAV redirector caching mechanism. This mechanism makes sure that you do not have to provide your credentials every time that you map a DAV share. To clear this cache, restart the Webclient service.

This caching mechanism may be a perceived security issue. In our view, this is not a security issue because you should typically log off or lock your session when you are away from the computer.


See the terminology that Microsoft uses to describe software updates.