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Article ID: 971405 - Last Review: October 7, 2011 - Revision: 2.0

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SYMPTOMS

In an Active Directory domain environment, you deploy a distributed file system on a domain controller that is running Windows Server 2008. However, when a domain user tries to access the Distributed File System (DFS) resources from a client computer, high network latency occurs. In this situation, the user notices that Windows Explorer stops responding for approximately 30 seconds.

This issue usually occurs if one of the following conditions is true when a user tries to access the DFS resources:
  • The user logs on to the domain for the first time.
  • The client computer is idle for more than 15 minutes.

CAUSE

This issue occurs because the DFS service in Windows Server 2008 calls the NetShareGetInfo function excessively.

RESOLUTION

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem is that described in this article. Apply this hotfix only to systems that are experiencing the problem is 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, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
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.


Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page.

Prerequisites

To apply this hotfix, your DFS server must be running one of the following operating systems:
  • Windows Server 2008
  • Windows Server 2008 Service Pack 2 (SP2)

Restart requirement

You must restart the computer after you apply this hotfix.

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 all supported x86-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Dfsn-serverservice-ppdlic.xrm-msNot Applicable3,02118-May-200913:42Not Applicable
Dfssvc.exe6.0.6001.22435242,17618-May-200911:29x86
Dfsn-serverservice-ppdlic.xrm-msNot Applicable3,02118-May-200913:24Not Applicable
Dfssvc.exe6.0.6002.22138242,17618-May-200911:18x86
For all supported x64-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Dfsn-serverservice-ppdlic.xrm-msNot Applicable3,02115-May-200913:02Not Applicable
Dfssvc.exe6.0.6001.22434326,14415-May-200910:52x64
Dfsn-serverservice-ppdlic.xrm-msNot Applicable3,02118-May-200913:37Not Applicable
Dfssvc.exe6.0.6002.22138326,14418-May-200911:27x64

STATUS

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

MORE INFORMATION

For more information about DFS, visit the following Microsoft Web site:
http://www.microsoft.com/windowsserver2003/technologies/storage/dfs/default.mspx (http://www.microsoft.com/windowsserver2003/technologies/storage/dfs/default.mspx)
For more information about the NetShareGetInfo Function, visit the following Microsoft Web site:
http://msdn.microsoft.com/en-us/library/bb525388(VS.85).aspx (http://msdn.microsoft.com/en-us/library/bb525388(VS.85).aspx)
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684   (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

APPLIES TO
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Standard
Keywords: 
kbautohotfix kbexpertiseadvanced kbfix kbsurveynew kbqfe KB971405
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