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# Badly Formed SMB Sent to Server Causes Trap

Article ID: 101124

Article Last Modified on 9/30/2003

APPLIES TO

- Microsoft LAN Manager 2.2 Standard Edition

This article was previously published under Q101124

## SYMPTOMS

The server encounters the following trap:

    Trap 000D
    AX=0000  BX=0FF6  CX=0002  DX=0001  BP=EEF2
    SI=D2C4  DI=9BEA  DS=0658  ES=0658  FLG=2202
    CS=0908  IP=174C  SS=0038  SP=EEAC  MSW=001B
    CSLIM=370B  SSLIM=EB85  DSLIM=FFFF  ESLIM=FFFF
    CSACC=9B  SSACC=97  DSACC=93  ESACC=93

## CAUSE

A badly formatted server message block sent to the server.

## RESOLUTION

The method by which the size of the incoming server message block is determined has been made more robust.

## STATUS

Microsoft has confirmed this to be a problem in LAN Manager version 2.2. This problem was corrected in the latest US Service Pack for LAN Manager. For information on obtaining this update, query on the following word in the Microsoft Knowledge Base:

LMPATCH

Additional query words: prodlm 2.20 2.2

Keywords: KB101124