Microsoft KB Archive/111328

= DosReadMailslot Reads Incorrect Data Under Stress =

Article ID: 111328

Article Last Modified on 10/31/2006



This article was previously published under Q111328



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

Keywords: KB111328

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