When you try to access a DFS-N Link pointing to a WebDav Share you get an Network Name not Found Error message in Windows 7

Article ID: 2603586 - View products that this article applies to.
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Symptoms

Consider the following Scenario:
  • You use a Distributed File System (DFS) Namespace
  • One of the DFS Links points to a WebDav Share (i.e. a Sharepoint Shared Documents Folder) with a path like \\Servername\Shared Documents
  • You use Windows 7 to access this DFS-Link

In this Scenario you encounter an Error Message when you try to access the Link the First time.
The Error Message states:

The network name cannot be found."


When you instead try to access the WebDav Path (i.e.  \\Servername\Shared Documents) directly you will notice a slight delay during the first access but the content of the Share is displayed.
Afterwards the DFS-Link works as well until the next restart.

Cause

When accessing the UNC WebDav Path directly the System determines, that it requires the WebClient Service in order to access the UNC Path provided.
Therefore it starts the WebClient Service and then access the WebDav path successfully.

When accessing the DFS Link, the System determines that it requires the DFS Client to resolve the Link into the UNC path and access it.
In this Case the WebClient Service is not started and therefore the access to the WebDav Path fails unless the WebClient was already running.

Resolution

Change the WebClient Service startup type to automatic.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Properties

Article ID: 2603586 - Last Review: December 26, 2012 - Revision: 2.0
Applies to
  • Windows 7 Beta
  • Windows 7 Enterprise
  • Windows 7 Enterprise E
  • Windows 7 Enterprise N
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Home Premium E
  • Windows 7 Home Premium N
  • Windows 7 Pre-Beta
  • Windows 7 Professional
  • Windows 7 Professional E
  • Windows 7 Professional for Embedded Systems
  • Windows 7 Professional N
  • Windows 7 Release Candidate
  • Windows 7 Service Pack 1
  • Windows 7 Starter
  • Windows 7 Starter E
  • Windows 7 Starter N
  • Windows 7 Ultimate
  • Windows 7 Ultimate E
  • Windows 7 Ultimate for Embedded Systems
  • Windows 7 Ultimate N
Keywords: 
kbdfs kbprosharepoint kbexchdev KB2603586

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