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Q105214: Windows NT 3.1 to HP LM/X 1.4 Long Filename Problems

Article: Q105214
Product(s): Microsoft Windows NT
Version(s): 
Operating System(s): 
Keyword(s): kbhw kbHardware
Last Modified: 08-AUG-2001

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The information in this article applies to:

- Microsoft Windows NT Server version 3.1 
- Microsoft Windows NT Workstation version 3.1 
- Microsoft Windows NT Advanced Server 
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SYMPTOMS
========

Microsoft Windows NT 3.1 systems cannot see any files in a directory on a
Hewlett-Packard (HP) LM/X 1.4 server if any file in the directory contains a
period (or "dot") followed by more than seven characters. If you use the "dir"
command to check the contents of the directory, you will receive the following
message:

  File Not Found.

CAUSE
=====

HP LM/X 1.4 systems negotiate to Server Message Block (SMB) Specification Ext
2.0 (LAN Manager 1.x), which doesn't support long filenames. When speaking this
down-level protocol, Windows NT 3.1 does not set bit 4 of Byte 9 of its SMBs.
This bit is defined as follows:

  flags (smb_flg) bit 4:

  "When on, all paths sent to the server by the consumer are already in
  the canonicalized format used by OS/2. This means that file/directory
  names are in upper case, are valid characters and backslashes are used
  as separators."

STATUS
======

A fixed, untested version of the RDR.SYS driver is available from Microsoft
Product Support Services.

Additional query words:

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Keywords          : kbhw kbHardware 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW310 kbWinNTSsearch kbWinNTS310 kbWinNTAdvSerSearch kbWinNTS310search kbWinNT310Search kbWinNTW310Search
Version           : :

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