A Delay Occurs When You Open a Mapped Network Drive on a Novell NetWare or UNIX NFS Server

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Article ID: 814952 - View products that this article applies to.
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
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SYMPTOMS

When you use Windows Explorer on a Windows XP-based client to open mapped drives on a Novell NetWare server or a UNIX NFS server, there may be a delay in opening the drive. Folder listings on the mapped drives may take up to 10 seconds to appear.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to obtain the latest Windows XP service pack

Hotfix information

A supported hotfix is available from Microsoft. 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 this specific problem. 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
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. The English version of this fix has the file attributes (or later) 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 tool in Control Panel.
   Date         Time   Version        Size     File name
   -----------------------------------------------------
   18-Mar-2003  22:58  5.1.2600.1187  101,760  Mup.sys

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows XP Service Pack 2.

MORE INFORMATION

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

After you apply this hotfix, use a new registry value to adjust the MUP Provider Cache time-out value:
  1. Start Registry Editor.
  2. Locate and then click the following registry key:
    HKLM\System\CurrentControlSet\Services\Mup
  3. Create a new DWORD value named
    ProviderCacheTimeoutInMinutes
    .

    The default value is 15 minutes. The maximum time-out value is 720 minutes (12 hours).
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Properties

Article ID: 814952 - Last Review: August 29, 2007 - Revision: 4.1
APPLIES TO
  • Microsoft Windows XP Professional
Keywords: 
kbautohotfix kbhotfixserver kbqfe kbqfe kbwinxpsp2fix kbwinxppresp2fix kbfix kbbug KB814952

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