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Q111328: DosReadMailslot Reads Incorrect Data Under Stress

Article: Q111328
Product(s): Microsoft LAN Manager
Version(s): 
Operating System(s): 
Keyword(s): 
Last Modified: 30-JUL-2001

SYMPTOMS
========


An application can fail because DosReadMailslot sometimes returns a message that
was not addressed to it. Generally this occurs when mailslot traffic is heavy.

CAUSE
=====

The code used when writing mailslot data to a local mailslot is not being marked
as busy early enough in the routine to keep other mailslot datagrams from
affecting the data.

RESOLUTION
==========

A fix for the LAN Manager MS-DOS redirector corrects this problem and is
available as CSD00.079.

STATUS
======

Microsoft has confirmed this to be a problem in LAN Manager version 2.2. We are
researching this problem and will post new information here in the Microsoft
Knowledge Base as it becomes available.

Additional query words: 2.20 2.2 mailslot

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Keywords          :  

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