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A red "X" appears in the icon for a mapped network drive in Windows Vista, even though you can successfully access the drive
Article ID: 938062 - View products that this article applies to.
In Windows Vista, a red "X" appears in the icon for a mapped network drive in Folders area of Windows Explorer. However, in the details pane, a green pipe appears in the icon for the same drive. Because you can successfully access the network drive, you expect the icon to appear as a green pipe in both areas.
This problem may occur if the following conditions are true:
This problem occurs because of an error in the Shell32.dll file. When the mapped network drive connects to the computer, the Shell32.dll file updates the network drive icon only in the details pane of Windows Explorer. An event is not generated to change the icon in the Folders area.
Service pack informationTo resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/935791/ )How to obtain the latest Windows Vista service pack
Hotfix informationA 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=supportNote 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.
PrerequisitesNo prerequisites are required.
Restart requirementYou must restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace any other hotfixes.
File informationThe 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.
Windows Vista, 32-bit versions
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Windows Vista, 64-bit versions
This hotfix updates the Shell32.dll file to generate an icon change notification. After you apply this hotfix, the main drive icon in the details pane of Windows Explorer is updated. The Windows Explorer Folders pane icon is also updated correctly.
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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Vista Service Pack 1.
For more information about the terms that are used to describe software updates, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 938062 - Last Review: May 21, 2008 - Revision: 3.1