DOCUMENT:Q163251
TITLE   :STOP 0xA Due to Buffer Overflow in NDISWAN.SYS
PRODUCT :Microsoft Windows NT
PROD/VER:4.00
OPER/SYS:WINDOWS
KEYWORDS:kbbug kbbug4.00 kberrmsg kbfix4.00 kbpatch NTSrvWkst ntstop 

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The information in this article applies to:

 - Microsoft Windows NT Workstation version 4.0
 - Microsoft Windows NT Server version 4.0
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SYMPTOMS
========

You may experience a STOP 0x0000000A on a Windows NT computer when copying
files via RAS over a SLIP (Serial Line Interface Protocol) connection.

CAUSE
=====

If the SLIP client sends a packet that is greater than MAX_MRRU, Windows NT
does not check for it and the buffer allocated overflows causing the trap.

RESOLUTION
==========

To resolve this problem, obtain the following fix or wait for the next
Windows NT service pack.

This fix should have the following time stamp:

   11/17/97  04:35p                57,744 Ndiswan.sys  (Intel)
   11/17/97  04:32p               103,728 Ndiswan.sys  (Alpha)

This hotfix has been posted to the following Internet location:

   ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40/
   hotfixes-postSP3/wan-fix/

NOTE: The above link is one path; it has been wrapped for readability.

STATUS
======

Microsoft has confirmed this to be a problem in Windows NT version 4.0.
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: 4.00

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