The WNetOpenEnum() Function May Not Work If There Are Too Many Open File Handles on a Network Share
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If too many file handles are opened on a network share, the WNetOpenEnum function may not work on that network share even if the network share is accessible.
This issue is caused by a problem in the redirector.
Service Pack InformationTo resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 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.
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, submit a request to 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: 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 hotfix 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 ------------------------------------------------------ 20-Nov-2002 16:41 5.0.2195.6134 371,536 Mrxsmb.sys 20-Nov-2002 16:41 5.0.2195.6134 132,944 Rdbss.sys
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article. This problem was first corrected in Windows 2000 Service Pack 4.
For additional information about how to obtain a hotfix for Microsoft Windows 2000 Datacenter Server, click the following article number to view the article in the Microsoft Knowledge Base:
265173 The Datacenter Program and Windows 2000 Datacenter Server Product
Article ID: 810182 - Last Review: 02/27/2014 21:15:53 - Revision: 1.6
Microsoft Windows 2000 Advanced Server SP3, Microsoft Windows 2000 Advanced Server SP2, Microsoft Windows 2000 Advanced Server SP1, Microsoft Windows 2000 Service Pack 3, Microsoft Windows 2000 Server SP2, Microsoft Windows 2000 Server SP1, Microsoft Windows 2000 Service Pack 3, Microsoft Windows 2000 Professional SP2, Microsoft Windows 2000 Professional SP1
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