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Q244155: RRAS Does Not Use Layered Drivers Between Ndiswan and Wanarp

Article: Q244155
Product(s): Microsoft Windows NT
Version(s): winnt:4.0,4.0 SP6
Operating System(s): 
Keyword(s): kbWinNT400PreSP7Fix
Last Modified: 08-MAY-2002

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The information in this article applies to:

- Microsoft Windows NT Server versions 4.0, 4.0 SP6 
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SYMPTOMS
========

In Windows NT 4.0, support for Layered drivers, which work between Ndiswan and
Wanarp, is not included in RRAS. This lack of support prevents the intermediate
driver to intercept send and receive requests and connection notifications from
Ndiswan.

RESOLUTION
==========

A supported fix is now available from Microsoft, but it is only intended to
correct the problem described in this article and should be applied only to
systems experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the
fix. For a complete list of Microsoft Product Support Services phone numbers and
information on support costs, please go to the following address on the World
Wide Web:

  http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are normally incurred for support calls may
be canceled, if a Microsoft Support Professional determines that a specific
update will resolve your problem. Normal support costs will apply to additional
support questions and issues that do not qualify for the specific update in
question.

The English-language version of this fix should have the following file
attributes or later:

  Date      Time       Size    File name     Platform
  ----------------------------------------------------
  11/1/99   11:52 AM   106 KB  iprtrmgr.dll  i386
  11/1/99   11:44 AM   31 KB   rasiphlp.dll  i386
  11/1/99   11:51 AM   21 KB   wanarp.sys    i386
  11/1/99   11:51 AM   168 KB  iprtrmgr.dll  alpha
  11/1/99   11:42 AM   51 KB   rasiphlp.dll  alpha
  11/1/99   11:50 AM   37 KB   wanarp.sys    alpha



STATUS
======

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

Additional query words:

======================================================================
Keywords          : kbWinNT400PreSP7Fix 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400sp6 kbWinNTS400search kbWinNTS400
Version           : winnt:4.0,4.0 SP6
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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