This article was previously published under Q321126
If you have persistent connections to network drives (for example, to drive Z) that are inaccessible for some reason, when you click Open on the File menu and then click the drop-down arrow on the Look In box, it may take several minutes before the lists actually drops down. The same long delay may occur with the Save In drop-down box in the Save or Save As dialog boxes.
The delay may occur if a remote drive is inaccessible. For example, the delay may occur when you are working offline with no network connection, after you unplug the computer's network cable, or if routing problems or other network issues cause communication problems with remote computers.
Programs (such as Notepad) that use common dialog boxes are affected. Other programs (such as Microsoft Office programs) that use similar drop-down lists in their dialog boxes may also be affected.
During the delay, the program is unresponsive and does not display an hourglass pointer. The program may seem to stop responding (hang) for several minutes, although the program does eventually respond.
Code was added in Windows 2000 to improve the presentation of the Look In (and similar) drop-down boxes. However, the new code generates several queries for each remembered connection to a remote network drive. If the network drives are inaccessible, the code makes several attempts to connect to the remote drive. Each attempt takes several seconds to time out.
If you have many persistent network drive connections, the cumulative delay from all of the timed-out connection attempts can add up to several minutes.
Service pack information
To resolve this problem, obtain the latest service pack for Microsoft 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
Service pack installation information
After you install this service pack, you must add the following registry subkey and entry to activate the functionality of this fix:
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.
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 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 --------------------------------------------------------- 03-Jun-2002 08:44 5.0.3502.5846 2,351,888 Shell32.dll
Hotfix installation information
After you apply this hotfix, you must add the following registry subkey and entry to activate the functionality of this hotfix:
Instead of connecting a network drive (such as drive Z) to a network location (\\server\sharename), add the network location to My Network Places. My Network Places appears at the bottom of the Look In (and similar) lists. You can expand My Network Places without generating extra network traffic.
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 2000 Service Pack 4.
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:
265173 The Datacenter Program and Windows 2000 Datacenter Server Product
For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:
296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot