Heap Corruption with Administrator-Defined CSC Path Using Logical Drive (269680)

The information in this article applies to:

Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional

This article was previously published under Q269680

SYMPTOMS

Adding Client Side Caching (CSC) to a network drive by using a logical drive letter rather than a Universal Naming Convention (UNC) path with Group Policy causes memory corruption, resulting in random hangs in Explorer.exe.

CAUSE

This problem is caused by a string buffer being freed twice, resulting in heap corruption.

RESOLUTION

To 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

The English version of this fix should have the following file attributes or later:

   Date        Time   Version        Size     File name
   ----------------------------------------------------
   05/08/2000  21:03  5.0.2195.2103  232,208  Cscui.dll

STATUS

Microsoft has confirmed that this is a problem in Microsoft Windows 2000. This problem was first corrected in Windows 2000 Service Pack 2.

MORE INFORMATION

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Modification Type:	Minor	Last Reviewed:	9/23/2005
Keywords:	kbHotfixServer kbQFE kbbug kbfix kbWin2000PreSP2Fix KB269680