Knowledge Base

Article ID: 290701 - Last Review: October 23, 2013 - Revision: 3.2

This article was previously published under Q290701
This article has been archived. It is offered "as is" and will no longer be updated.


Heap damage can occur in Netdde.exe. When this occurs, there may be an access violation in RtlAllocateHeap and there may be an "eventvwr" message similar to the following message associated with this error:
Unable to add 3e5 to DDE msg queue. Conversation terminated.


This problem occurs because there is a race condition occurring in the NetDDE termination routine.


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-language version of this fix should have the following file attributes or later:
   Date        Time    Size     File name
   10/02/2000  05:56p  115,984  Netdde.exe


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 Windows 2000 Service Pack 2.


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

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
kbnosurvey kbarchive kbbug kberrmsg kbfix kbwin2000presp2fix KB290701
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