DOCUMENT:Q173245  09-AUG-2001  [winnt]
TITLE   :Long Text Messages May Cause Receiving Computer to Hang
PRODUCT :Microsoft Windows NT
PROD/VER:winnt:3.51,4.0
OPER/SYS:
KEYWORDS:kbnetwork

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The information in this article applies to:

 - Microsoft Windows NT Workstation versions 3.51, 4.0 
 - Microsoft Windows NT Server versions 3.51, 4.0 
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SYMPTOMS
========

When you send a very long text message with NET SEND (or a similar net messaging
utility), the receiving computer may stop responding to Services.exe and the
Messenger Popup service.

CAUSE
=====

The long message overflows a buffer that is used to store the message for
Winpopup.

WORKAROUND
==========

To work around this problem, it may be necessary to restart the receiving
computer to restore Services.exe to a working state.

STATUS
======

Microsoft has confirmed this to be a problem in Windows NT version 4.0. This
problem was corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack.
For information on obtaining the service pack, query on the following word in
the Microsoft Knowledge Base:

SERVPACK


Microsoft has confirmed this to be a problem in Windows NT version 3.51. A
supported fix is now available, but has not been fully regression-tested and
should be applied only to systems experiencing this specific problem. Unless you
are severely impacted by this specific problem, Microsoft recommends that you
wait for the next Service Pack that contains this fix. Contact Microsoft
Technical Support for more information.


Additional query words:

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Keywords          : kbnetwork 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT351search kbWinNT400search kbWinNTW351search kbWinNTW351 kbWinNTSsearch kbWinNTS400search kbWinNTS400 kbWinNTS351 kbWinNTS351search
Version           : winnt:3.51,4.0
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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Copyright Microsoft Corporation 2001.